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Gluten-free funfetti cake on white platter.

Gluten-Free Funfetti Birthday Cake

Easy gluten-free funfetti cake. Loaded with sprinkles, this tender cake makes a fun birthday cake--no mix needed!
Servings 12 slices

Ingredients

Gluten-Free Funfetti Cake

  • 2 1/2 cups gluten-free all-purpose flour (see note) 11.5 ounces/326 grams
  • 1 1/2 cups granulated sugar 10.5 ounces/ 298 grams
  • 3 1/2 teaspoons baking powder
  • 1 teaspoon salt
  • 1 1/4 cup milk traditional or dairy-free
  • 2/3 cup vegetable oil (4.75 ounces/134 grams)
  • 4 large eggs (about 8 ounces/226 grams)
  • 2 teaspoons vanilla extract pure vanilla or clear (imitation)
  • 1/2 teaspoon almond extract optional
  • 1/3 cup colored sprinkles, plus additional for topping cake

Gluten-Free Vanilla Buttercream

  • 2 sticks butter, softened (8 ounces; 226 grams)
  • 4 cups powdered sugar, sifted (16 ounces; 454 grams)
  • 4 tablespoons milk, more as needed
  • 2 teaspoons clear vanilla extract
  • 1/4 teaspoon almond extract, optional

Instructions

  1. Preheat oven to 350 degrees F. Grease two 8-inch round cake pans with nonstick cooking spray.

  2. Whisk together gluten-free flour, sugar, baking powder, and salt. Add milk, oil, eggs, and extracts. Whisk until a smooth batter forms. Add 1/3 cup sprinkles. Stir to combine.

  3. Divide batter evenly between the two prepared pans.
  4. Bake until cake is golden brown and a cake tester inserted into the center of the cake comes out clean, about 30 minutes.
  5. Remove cakes from the oven and place on a wire rack to cool for five minutes. Then turn cakes onto the wire rack to cool completely.

  6. Once cool, frost with vanilla buttercream and sprinkle additional sprinkles onto cake.

Gluten-Free Vanilla Buttercream

  1. Cream butter until smooth in a medium mixing bowl. Add powdered sugar, milk, vanilla, and almond extract. Mix, on low speed, until smooth. If buttercream seems thick, add a teaspoon or so additional milk. Use as directed. 

Recipe Notes

Gluten-Free Flour 

Use a gluten-free flour blend that includes xanthan gum. Bob's Red Mill 1:1 Gluten-Free Baking Flour recommended. If your blend doesn't include xanthan gum, add 1 teaspoon along with the flour. Whisk together.