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Gluten-free cola cake on white plate with fork.

Gluten-Free Coca Cola Cake

Remember to use regular coca cola for this recipe and not diet!
Prep Time 25 minutes
Cook Time 25 minutes
Total Time 50 minutes
Author GlutenFreeBaking.com

Ingredients

  • For the Cake
  • 1 stick butter (1/2 cup; 4 ounces; 113 grams)
  • 2 tablespoon vegetable oil (1 1/3 ounces; 36 grams)
  • 1 cup granulated sugar ( 7 ounces; 198 grams)
  • 1 1/2 cups white rice flour (6 ounces; 85 grams)
  • 1/2 cup cornstarch (2 ounces; 56 grams)
  • 1 teaspoon baking soda
  • 1 teaspoon salt
  • 1/2 teaspoon xanthan gum
  • 3 tablespoons cocoa powder (about 1/2 ounce; 14 grams)
  • 1 cup regular Coca-Cola if using a 12-ounce can, reserve remaining Coke for the icing
  • 1/2 cup buttermilk (4 ounces; 113 grams)
  • 2 large eggs (about 3 1/2 ounces; 100 grams, out of shell)
  • 1 teaspoon vanilla extract

For the Frosting

  • 1 stick unsalted butter (1/2 cup; 4 ounces; 113 grams)
  • 3 tablespoons cocoa powder (about 1/2 ounce; 14 grams)
  • 6 tablespoons regular Coca-Cola
  • 2 1/2 cups confectioners' sugar (10 ounces; 283 grams)

Instructions

  1. Prepare the Cake: Preheat oven to 350°F. Grease 9x13-inch pan with cooking spray. Set aside.

  2. In a small heavy-bottomed saucepan, combine butter and oil. Heat over medium heat until butter melts.
  3. While butter melts, whisk together granulated sugar, white rice flour, cornstarch, baking soda, salt and xanthan gum in large bowl.

  4. Turn your attention back to the stove. Add cocoa powder to melted butter. Whisk to combine. Bring mixture to a boil. Add Coca-cola; swirl pan to combine and remove pan from heat. In small bowl, whisk together buttermilk, eggs, and vanilla. Mixture might be lumpy.

  5. Add buttermilk mixture to dry ingredients. Whisk. Batter will be thick. Add cooled butter/Coca-Cola mixture. Whisk until batter is smooth. Pour batter into prepared pan.

  6. Bake until cake rises and springs back to the touch, about 25-30 minutes.

  7. Prepare the Frosting: In small saucepan, combine butter and cocoa powder. Heat over medium heat until butter melts and mixture beings to bubble. Add Coca-Cola. Bring to boil. Add confectioners' sugar and, if using, nuts. Stir until smooth. If cake is not done baking, reduce heat to low. Stir icing occasionally.

  8. Remove cake from oven. Pour warm icing evenly over cake. Cool cake; cut into slices and serve.