{"id":484059,"date":"2018-01-01T00:00:00","date_gmt":"2018-01-25T05:56:00","guid":{"rendered":"http:\/\/origin-www.tasteofhome.com\/recipes\/slow-cooked-french-onion-soup\/"},"modified":"2024-09-21T15:05:47","modified_gmt":"2024-09-21T20:05:47","slug":"slow-cooked-french-onion-soup","status":"publish","type":"recipe","link":"https:\/\/www.tasteofhome.com\/recipes\/slow-cooked-french-onion-soup\/","title":{"rendered":"Crockpot French Onion Soup"},"content":{"rendered":"<p>There&#8217;s nothing better than coming home to a steaming bowl of French onion soup covered in melted cheese on a chilly evening. This comfort food classic is loaded with silky strands of <a href=\"https:\/\/www.tasteofhome.com\/recipes\/family-favorite-caramelized-onions\/\" data-name=\"www.tasteofhome.com\/recipes\/family-favorite-caramelized-onions\/\" data-module=\"content engagement\" data-position=\"embedded links\">caramelized onion<\/a>\u00a0swimming in a delectable broth. Then it&#8217;s topped with cheesy slices of French bread for one of the most satisfying soups you&#8217;ll ever tuck into. The only problem? It&#8217;s quite a labor-intensive dish.<\/p>\n<p>Low and slow is usually the name of the game when it comes to caramelizing onions\u2014and it still is for this recipe, only we&#8217;re letting the slow cooker do the heavy lifting. Making sure the onions don&#8217;t brown too quickly or stick to the bottom of a pan involves constant stirring. The Crockpot is the hands-free answer to a delicious, heart-warming French onion soup that doesn&#8217;t require you to hole up in your kitchen for hours.<\/p>\n<p class=\"p1\"><span class=\"s1\">With a few <a href=\"https:\/\/www.tasteofhome.com\/collection\/pantry-staples-you-can-make-at-home\/\" data-name=\"www.tasteofhome.com\/collection\/pantry-staples-you-can-make-at-home\/\" data-module=\"content engagement\" data-position=\"embedded links\">pantry staples<\/a>, easily accessible ingredients and one trusty appliance, you&#8217;ll master our Crockpot French onion soup recipe and never make this soup another way.\u00a0<\/span><\/p>\n<h2 class=\"p2\"><span class=\"s1\">Ingredients for Crockpot French Onion Soup<\/span><\/h2>\n<ul class=\"ul1\">\n<li class=\"li3\"><b><\/b><span class=\"s1\"><b>Butter:<\/b> You can&#8217;t caramelize onions for French onion soup without butter. We like <a href=\"https:\/\/www.tasteofhome.com\/article\/your-complete-guide-to-butter\/\" data-name=\"www.tasteofhome.com\/article\/your-complete-guide-to-butter\/\" data-module=\"content engagement\" data-position=\"embedded links\"><span class=\"s2\">high-fat European butter<\/span><\/a> for this recipe, to get the best flavor, but lower-fat American butter will do if that&#8217;s what you have on hand.\u00a0<\/span><\/li>\n<li class=\"li3\"><b><\/b><span class=\"s1\"><b>Onions:<\/b> A blend of sweet onion (like Vidalia, Maui Sweets and Walla Walla Sweets) and sharp red onion is the secret to the best-ever French onion soup, but it&#8217;s important to use a two-to-one ratio of sweet to red, otherwise the flavor would be too intense. <span class=\"Apple-converted-space\">\u00a0<\/span><\/span><\/li>\n<li class=\"li3\"><b><\/b><span class=\"s1\"><b>Condensed beef broth:<\/b> Condensed, undiluted beef broth is also needed for the base of this soup. You can go the store-bought route with two cans, or make <a href=\"https:\/\/www.tasteofhome.com\/recipes\/homemade-beef-broth\/\" data-name=\"www.tasteofhome.com\/recipes\/homemade-beef-broth\/\" data-module=\"content engagement\" data-position=\"embedded links\"><span class=\"s2\">homemade beef broth<\/span><\/a> and then boil it to reduce by half until it resembles more of a beef consomme.<\/span><\/li>\n<li class=\"li3\"><b><\/b><span class=\"s1\"><b>White wine:<\/b> A dry white wine (like pinot grigio, chardonnay or sauvignon blanc) will help scrape up any remaining onion bits on the bottom of the slow cooker and keep the broth from being overly cloying from the sweetness of the caramelized onions. If you don&#8217;t have white wine or don&#8217;t want to use it, 3\/4 cup of regular-strength beef broth is a perfectly fine substitute.\u00a0<\/span><\/li>\n<li class=\"li3\"><b><\/b><span class=\"s1\"><b>Herbs:<\/b> Fresh herbs like thyme and parsley are a nice complement to French onion soup with their earthy peppery notes. A dried bay leaf also works its magic by deepening the soup&#8217;s flavors and adding complexity (just remember to remove it before serving).\u00a0<\/span><\/li>\n<li class=\"li3\"><b><\/b><span class=\"s1\"><b>Worcestershire sauce:<\/b> The Worcestershire is good for a bit of umami\u2014salty, sweet and spicy all at the same time.<\/span><\/li>\n<li class=\"li3\"><b><\/b><span class=\"s1\"><b>French bread:<\/b> To use any other bread besides a baguette or <a href=\"https:\/\/www.tasteofhome.com\/recipes\/crusty-french-loaf\/\" data-name=\"www.tasteofhome.com\/recipes\/crusty-french-loaf\/\" data-module=\"content engagement\" data-position=\"embedded links\">crusty French bread<\/a> would be criminal in this recipe for French onion soup in a slow cooker.<\/span><\/li>\n<li class=\"li3\"><span class=\"s1\"><strong>Cheese:<\/strong> We love <a href=\"https:\/\/www.tasteofhome.com\/recipes\/ingredients\/cheese\/gruyere-cheese\/\" data-name=\"www.tasteofhome.com\/recipes\/ingredients\/cheese\/gruyere-cheese\/\" data-module=\"content engagement\" data-position=\"embedded links\">Gruyere<\/a> for French onion soup. This French cheese is nutty, earthy and so good with the taste of caramelized onions in every bite, but you could also use Swiss cheese, raclette or Gouda as an alternative.\u00a0<\/span><\/li>\n<\/ul>\n<h2>Directions<\/h2>\n<h3>Step 1: Caramelize the onions<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-2034889\" src=\"https:\/\/www.tasteofhome.com\/wp-content\/uploads\/2024\/08\/Crock-Pot-French-Onion-Soup_TOHD24_178195_KristinaVanni_1.jpg?fit=700%2C1024\" alt=\"Taste Recipes Crock Pot French Onion Soup recipe photo of the carmelized onions in a slow cooker.\" width=\"700\" height=\"1024\" data-recalc-dims=\"1\" \/><span class=\"credits-overlay\"><span class=\"image-credit noskim\">KRISTINA VANNI FOR TASTE OF HOME<\/span><\/span><\/p>\n<p>Place the cubed butter in a 5-quart slow cooker, top it with the sliced sweet and red onions, then sprinkle with a few cranks of freshly cracked pepper. Cook, covered, on low until the onions are tender, five to six hours.<\/p>\n<h3>Step 2: Stir in the liquids<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-2034890\" src=\"https:\/\/www.tasteofhome.com\/wp-content\/uploads\/2024\/08\/Crock-Pot-French-Onion-Soup_TOHD24_178195_KristinaVanni_2.jpg?fit=700%2C1024\" alt=\"Taste Recipes Crock Pot French Onion Soup recipe photo of the liquids and herbs added to the slow cooker.\" width=\"700\" height=\"1024\" data-recalc-dims=\"1\" \/><span class=\"credits-overlay\"><span class=\"image-credit noskim\">KRISTINA VANNI FOR TASTE OF HOME<\/span><\/span><\/p>\n<p>Once the onions are nice and caramelized, stir in the broth, water, wine, herbs and Worcestershire sauce. Place the lid back on and cook, covered, on low until the flavors are blended, two to three hours. Then remove the herb sprigs and bay leaf.<\/p>\n<h3>Step 3: Broil the baguette slices<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-2034891\" src=\"https:\/\/www.tasteofhome.com\/wp-content\/uploads\/2024\/08\/Crock-Pot-French-Onion-Soup_TOHD24_178195_KristinaVanni_3.jpg?fit=700%2C1024\" alt=\"Taste Recipes Crock Pot French Onion Soup recipe photo of the broiled baguette slices.\" width=\"700\" height=\"1024\" data-recalc-dims=\"1\" \/><span class=\"credits-overlay\"><span class=\"image-credit noskim\">KRISTINA VANNI FOR TASTE OF HOME<\/span><\/span><\/p>\n<p>When you&#8217;re ready to serve, preheat the broiler and place the bread on a baking sheet. Broil the slices 4 inches from the heat until the baguette is lightly toasted, one to two minutes per side.<\/p>\n<h3>Step 4: Melt the cheese<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-2034892\" src=\"https:\/\/www.tasteofhome.com\/wp-content\/uploads\/2024\/08\/Crock-Pot-French-Onion-Soup_TOHD24_178195_KristinaVanni_4.jpg?fit=700%2C1024\" alt=\"Taste Recipes Crock Pot French Onion Soup recipe photo of the cheese melted on top of the baguettes placed on the soups.\" width=\"700\" height=\"1024\" data-recalc-dims=\"1\" \/><span class=\"credits-overlay\"><span class=\"image-credit noskim\">KRISTINA VANNI FOR TASTE OF HOME<\/span><\/span><\/p>\n<p>Top the bread with cheese and broil until it&#8217;s melted, one to two minutes, being careful not to let it burn. Divide the soup among eight bowls, top with the cheese toast and serve immediately.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-2034893\" src=\"https:\/\/www.tasteofhome.com\/wp-content\/uploads\/2024\/08\/Crock-Pot-French-Onion-Soup_TOHD24_178195_KristinaVanni_5.jpg?fit=700%2C1024\" alt=\"Taste Recipes Crock Pot French Onion Soup recipe photo of the finished recipe served in bowls.\" width=\"700\" height=\"1024\" data-recalc-dims=\"1\" \/><span class=\"credits-overlay\"><span class=\"image-credit noskim\">KRISTINA VANNI FOR TASTE OF HOME<\/span><\/span><\/p>\n<h2>Crockpot French Onion Soup Variations<\/h2>\n<ul>\n<li><strong>Try a trifecta of cheeses:<\/strong> Instead of employing just one cheese for your toast topper, try a mix of three for deeper flavors. A French or alpine cheese like Gruyere or Swiss, an Italian cheese like melty mozzarella and a crumbly hard cheese like Parmesan work well together flavor-wise.<\/li>\n<li><strong>Add more beef:<\/strong> Since the beef broth is so rich and hearty, French onion soup doesn&#8217;t usually have additional meat hidden inside, but who&#8217;s to say you can&#8217;t add some? Shredded short ribs, sauteed steak tips and browned ground beef would be great here and sneak in extra protein at the same time.<\/li>\n<li><strong>Make it vegan:<\/strong> Thanks to dairy-free cheese and meat-free bone broth, it&#8217;s entirely possible to make a vegan version of slow-cooker French onion soup. Simply swap the butter for vegan butter or olive oil, the beef broth for vegetable broth and the Gruyere cheese for <a href=\"https:\/\/www.tasteofhome.com\/recipes\/cashew-cheese\/\" data-name=\"www.tasteofhome.com\/recipes\/cashew-cheese\/\" data-module=\"content engagement\" data-position=\"embedded links\">cashew cheese<\/a> or your favorite vegan cheese.<\/li>\n<\/ul>\n<h2>How to Store Crockpot French Onion Soup<\/h2>\n<p>If you want to make the soup base ahead of time but only fire off the cheesy bread right before you&#8217;re going to serve it, then place the slow-cooker pot with the lid on in the refrigerator, or divvy up the soup into French onion soup crocks. You can also leave it in the slow cooker on warm until you&#8217;re ready to broil the cheesy croutons and serve.<\/p>\n<h3>Can you freeze French onion soup?<\/h3>\n<p>Absolutely! But we recommend only freezing the cooked onion soup in sealed airtight containers in the freezer, not the soup with the cheese or bread on top, as it can break down and get mushy when you go to thaw the soup.<\/p>\n<h3>How long does French onion soup last?<\/h3>\n<p>This soup will stay fresh in an airtight container with a lid\u2014without the croutons\u2014for three to four days in the refrigerator. In the freezer, it will last for three to four months.<\/p>\n<h3>How do I reheat French onion soup?<\/h3>\n<p>If frozen, let the soup thaw in the fridge overnight, or run the container under hot water until you&#8217;re able to remove the soup and transfer it to a saucepan. Then, slowly bring the soup to a boil and transfer it to bowls or crocks once it&#8217;s fully cooked through. Top with cheesy croutons and dig in.<\/p>\n<h2>Crockpot French Onion Soup Tips<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-2034894\" src=\"https:\/\/www.tasteofhome.com\/wp-content\/uploads\/2024\/08\/Crock-Pot-French-Onion-Soup_TOHD24_178195_KristinaVanni_6.jpg?fit=700%2C1024\" alt=\"Taste Recipes Crock Pot French Onion Soup recipe photo of the finished recipe. \" width=\"700\" height=\"1024\" data-recalc-dims=\"1\" \/><span class=\"credits-overlay\"><span class=\"image-credit noskim\">KRISTINA VANNI FOR TASTE OF HOME<\/span><\/span><\/p>\n<h3>What&#8217;s the best cheese for French onion soup?<\/h3>\n<p>Gruyere cheese is delicious in this recipe. Its sweet, nutty flavor goes well with the oniony broth, and it melts wonderfully.<\/p>\n<h3>Can I broil the cheese toast on top of the soup?<\/h3>\n<p>You can, but we don&#8217;t recommend this. Toasting the bread with cheese separately, instead of broiling it on top of the soup in crocks, prevents the underside of the bread from becoming soggy.<\/p>\n<h3>How do you deepen the flavor of French onion soup?<\/h3>\n<p>Fresh herbs like thyme and a dried bay leaf help here. As does a splash or two of an <a href=\"https:\/\/www.tasteofhome.com\/article\/what-is-umami-plus-why-you-should-definitely-have-it-on-your-plate\/\" data-name=\"www.tasteofhome.com\/article\/what-is-umami-plus-why-you-should-definitely-have-it-on-your-plate\/\" data-module=\"content engagement\" data-position=\"embedded links\">umami-rich ingredient<\/a> like Worcestershire sauce. You could also use fish sauce or apple cider vinegar for the same effect.<\/p>\n<h3>What&#8217;s the best way to eat French onion soup?<\/h3>\n<p>Use a fork and a knife to break through the cheesy toast, splitting it up into easier-to-eat sections. If you&#8217;re less concerned with etiquette, use the bread to sop up more onions and broth with your hand, the rustic way to enjoy this comfort food favorite.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Let your slow cooker work its magic with this Crockpot French onion soup, so you can savor the delicious combination of caramelized onions, hearty broth and melted cheese while barely lifting a finger.<\/p>\n","protected":false},"author":7061,"featured_media":2061182,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ep_exclude_from_search":false},"tags":[304032,304172,306714,306910,304423,304328,305271,304292,305487,304338,305334,304390,305339,306774,303966,304408,304368,303887,306848,304297,304268,307698,324623,304388,304078,306699,306976,304150,303883,307614,304403],"categories-v2":[308623,309451,312710,309906,312715,308821,308988,308984,308481,309216,308305,310796,308992,309337,308761,309347,312910,308495,308813,308745,308478,309603,308308,259483,340242,310669,309177,308752,308698,309004,312672,309975,309434,308476,312895,310591,340273,308812],"coauthors":[343420],"recommended_recipes":[{"post_title":"Classic French Onion Soup","post_link":"\/recipes\/classic-french-onion-soup\/","post_image":"\/wp-content\/uploads\/2018\/01\/EXPS_FT24_160479_EC_020924_10.jpg"},{"post_title":"French Onion 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Soup","post_link":"\/recipes\/french-onion-tortellini-soup\/","post_image":"\/wp-content\/uploads\/2018\/01\/French-Onion-Tortellini-Soup_EXPS_RR22_13509_P2_MD_12_07_4b.jpg"},{"post_title":"Microwave French Onion Soup","post_link":"\/recipes\/microwave-french-onion-soup\/","post_image":"\/wp-content\/uploads\/2024\/07\/recipeFallback.jpg"},{"post_title":"Creamy Onion Soup","post_link":"\/recipes\/creamy-onion-soup\/","post_image":"\/wp-content\/uploads\/2018\/01\/exps6456_TH1507C45A.jpg"},{"post_title":"Vidalia Onion Soup","post_link":"\/recipes\/vidalia-onion-soup\/","post_image":"\/wp-content\/uploads\/2024\/07\/recipeFallback.jpg"}],"acf":{"long_pin":"https:\/\/tmbidigitalassetsazure.blob.core.windows.net\/rms3-prod\/attachments\/37\/1200x1200\/EXPS_TOHD24_178195_KristinaVanni_6.jpg","long_pin_file":false,"ncv_override_generic_settings_option":false,"ncv_autoplay_option":"","ncv_stickyplay_option":"","ncv_ads_option":"","ncv_mute_option":"","ncv_comscore_option":"","ncv_autoplay_mobile_option":"","ncv_viewable_threshold_option":"","ncv_sticky_offset_option":"","ncv_autopause_option":"","ncv_sticky_offset_mobile_option":"","ncv_autopause_mobile_option":"","ncv_sticky_mobile_option":"","ncv_remove_player_option":false,"ncv_moat_option":""},"recipe_schema":{"@context":"https:\/\/schema.org","@type":"Recipe","@id":"https:\/\/www.tasteofhome.com\/recipes\/slow-cooked-french-onion-soup\/","name":"Crockpot French Onion Soup","datePublished":"2018-01-01","dateModified":"2024-09-21","prepTime":"PT30M","cookTime":"PT07H00M","totalTime":"PT07H30M","image":{"@type":"ImageObject","url":"https:\/\/www.tasteofhome.com\/wp-content\/uploads\/2024\/10\/EXPS_TOHD24_178195_KristinaVanni_6.jpg","height":1200,"width":1200},"recipeCategory":["Dinner","Lunch"],"description":"Let your slow cooker work its magic with this Crockpot French onion soup, so you can savor the delicious combination of caramelized onions, hearty broth and melted cheese while barely lifting a finger.","recipeIngredient":["2 tablespoons butter, cubed","2 large sweet onions, halved and thinly sliced","1 large red onion, halved and thinly sliced","1\/2 teaspoon coarsely ground pepper","2 cans (10-1\/2 ounces each) condensed beef broth, undiluted","3 cups water","3\/4 cup white wine or regular-strength beef broth","2 fresh thyme sprigs","1 fresh parsley sprig, optional","1 bay leaf","2 teaspoons Worcestershire sauce","16 slices French bread (1\/4 inch thick)","3\/4 cup shredded Gruyere or Swiss cheese"],"recipeInstructions":[{"@type":"HowToStep","name":"Caramelize the onions","text":"Place the cubed butter in a 5-quart slow cooker, top it with the sliced sweet and red onions, then sprinkle with a few cranks of freshly cracked pepper. Cook, covered, on low until the onions are tender, five to six hours.","image":"https:\/\/www.tasteofhome.com\/wp-content\/uploads\/2024\/08\/Crock-Pot-French-Onion-Soup_TOHD24_178195_KristinaVanni_1.jpg?fit=700,1024"},{"@type":"HowToStep","name":"Stir in the liquids","text":"Once the onions are nice and caramelized, stir in the broth, water, wine, herbs and Worcestershire sauce. Place the lid back on and cook, covered, on low until the flavors are blended, two to three hours. Then remove the herb sprigs and bay leaf.","image":"https:\/\/www.tasteofhome.com\/wp-content\/uploads\/2024\/08\/Crock-Pot-French-Onion-Soup_TOHD24_178195_KristinaVanni_2.jpg?fit=700,1024"},{"@type":"HowToStep","name":"Broil the baguette slices","text":"When you're ready to serve, preheat the broiler and place the bread on a baking sheet. Broil the slices 4 inches from the heat until the baguette is lightly toasted, one to two minutes per side.","image":"https:\/\/www.tasteofhome.com\/wp-content\/uploads\/2024\/08\/Crock-Pot-French-Onion-Soup_TOHD24_178195_KristinaVanni_3.jpg?fit=700,1024"},{"@type":"HowToStep","name":"Melt the cheese","text":"Top the bread with cheese and broil until it's melted, one to two minutes, being careful not to let it burn. Divide the soup among eight bowls, top with the cheese toast and serve immediately.","image":"https:\/\/www.tasteofhome.com\/wp-content\/uploads\/2024\/08\/Crock-Pot-French-Onion-Soup_TOHD24_178195_KristinaVanni_4.jpg?fit=700,1024"}],"recipeYield":"8 servings (2 quarts)","author":[{"@type":"Person","name":"Kelli Acciardo"}],"nutrition":{"@type":"NutritionInformation","calories":" 157 calories","fatContent":"7g fat (4g saturated fat)","cholesterolContent":"19mg cholesterol","sodiumContent":"706mg sodium","carbohydrateContent":"15g carbohydrate (6g sugars","fiberContent":"1g fiber)","proteinContent":"7g protein. "},"aggregateRating":{"@context":"http:\/\/schema.org\/","@type":"AggregateRating","ratingValue":5,"reviewCount":4,"worstRating":1,"bestRating":5},"recipeCuisine":"Europe, French","review":[{"@context":"http:\/\/schema.org\/","@type":"Review","datePublished":"2021-09-09","author":{"@context":"http:\/\/schema.org\/","@type":"Person","name":"daisywilken002"},"reviewBody":"I have found that I prefer chopping the onions because that makes it easier to eat.","reviewRating":{"@context":"http:\/\/schema.org\/","@type":"Rating","ratingValue":5,"worstRating":1,"bestRating":5}},{"@context":"http:\/\/schema.org\/","@type":"Review","datePublished":"2022-11-15","author":{"@context":"http:\/\/schema.org\/","@type":"Person","name":"dublinlab"},"reviewBody":"<p>This soup is excellent.  I made it a day ahead.  I will make this again and again.  <\/p>","reviewRating":{"@context":"http:\/\/schema.org\/","@type":"Rating","ratingValue":5,"worstRating":1,"bestRating":5}},{"@context":"http:\/\/schema.org\/","@type":"Review","datePublished":"2023-03-04","author":{"@context":"http:\/\/schema.org\/","@type":"Person","name":"MKACHANIAN"},"reviewBody":"<p>Very good and easy to make. Great when you don't know exactly when people will be home. Needed a little additional salt and pepper. Would definitely make it again.<\/p>","reviewRating":{"@context":"http:\/\/schema.org\/","@type":"Rating","ratingValue":5,"worstRating":1,"bestRating":5}},{"@context":"http:\/\/schema.org\/","@type":"Review","datePublished":"2020-03-09","author":{"@context":"http:\/\/schema.org\/","@type":"Person","name":"OrangeFlask"},"reviewBody":"This is amazing!  I put the onions on for 6 hrs then added a can of dark beer instead of the wine.  I let that sit overnight.  Then completed the soup.  Allowed it to cool again for the following day.  I had the soup Hot, day old buns sliced and toasted, crocks ready and made up as people were ready.  I;ll make this all the time.  Janet. 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