Root Beer Float Cake with Cream Cheese Frosting Recipe

This frosting recipe makes enough to frost a 9×13 cake very thickly, so use half of the recipe if you prefer less frosting. Make sure and use a premium root beer for better flavor!

yield: 12-15 SERVINGS


1 package white cake mix (18.25 ounces)
1 cup root beer
1/4 cup water
1/2 cup canola oil
3 eggs
1 tsp. root beer extract (McCormicks)
4 cups powdered sugar
1 package (8 ounces) cream cheese, softened
1/2 cup (1 stick) butter, softened
1 tsp. root beer extract (McCormicks)
1 tsp. vanilla extract


  1. Preheat oven to 350 degrees.
  2. In a large bowl, combine cake mix, root beer, water, oil, extract, and eggs. Beat on low speed for 2 minutes or stir by hand for 3 minutes.
  3. Pour into a greased 13×9-in. baking pan. Bake at 350° for 30-35 minutes, or until toothpick inserted comes out clean.
  4. Visit Root Beer Float Cake with Cream Cheese Frosting @ for full directions.

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