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Easy Root Beer Float Cake

Easy Root Beer Float Cake

This Easy Root Beer Float Cake is made with a cake mix, so it is super simple and quick to whip up. Perfect for last minute birthday cakes.
5 from 5 votes
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Course: Dessert
Cuisine: American
Keyword: Vegetarian
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes

Ingredients

Cake

  • 1 box yellow cake mix
  • 1 cup root beer
  • 1/3 cup vegetable oil
  • 3 large eggs

Frosting

  • 3 cups powdered sugar
  • 1/3 cup salted butter, softened
  • 1 tsp vanilla extract
  • 2 Tbsp milk

Instructions

  • Preheat the oven to 350°F. Lightly spray a 13x9 inch pan and set aside.
  • In a medium bowl, mix together the cake mix, root beer and vegetable oil until fully combined. Mix in the eggs one at a time until fully incorporated.
  • Pour the batter into the prepared baking pan, and bake in the preheated oven for 25 minutes, or until a toothpick inserted comes out clean. Remove from oven and allow to cool.
  • For the frosting; In the bowl of a stand mixer, cream together all of the frosting ingredients until smooth. Spread over the cooled cake.