Cinnamon-Sugar Rhubarb Cake

Total Time Prep: 30 min. Bake: 40 min.
Yield 12-16 servings
Contest Winner
Test Kitchen Approved
A real crowd-pleaser, this tender snack-like cake is chock-full of rhubarb and sprinkled with a sweet cinnamon-sugar topping. Everyone will be asking for the recipe…or seconds! —Maryls Haber, White, South Dakota

Ingredients

  • 1/2 cup shortening
  • 1 cup packed brown sugar
  • 1 cup sugar, divided
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup buttermilk
  • 2 cups diced fresh or frozen rhubarb
  • 1 teaspoon ground cinnamon
  • Confectioners' sugar, optional

Directions

  1. In a large bowl, cream the shortening, brown sugar and 1/2 cup sugar until light and fluffy. Add egg and vanilla; beat for 2 minutes. Combine the flour, baking soda and salt; add to creamed mixture alternately with buttermilk, beating well after each addition. Stir in rhubarb.
  2. Pour into a greased 13x9-in. baking dish. Combine the cinnamon and remaining sugar; sprinkle over batter. Bake at 350° for 40-45 minutes or until a toothpick inserted in the center comes out clean. Serve warm; if desired, sprinkle with confectioners' sugar.
A real crowd-pleaser, this tender snack-like cake is chock-full of rhubarb and sprinkled with a sweet cinnamon-sugar topping. Everyone will be asking for the recipe…or seconds! —Maryls Haber, White, South Dakota
Recipe Creator

© 2025 RDA Enthusiast Brands, LLC