Root Beer Float Cake

Ingredients

Original recipe makes 1 - 9x13 inch pan

 1 (18.25 ounce) package white cake mix

 1 1/2 cups root beer

 1/2 cup vegetable oil

 3 eggs

 1 (1.3 ounce) envelope whipped topping mix

 1/4 cup root beer

Directions

1. Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9x13 inch pan.
2. In a large bowl, combine cake mix, 1 1/4 cup root beer, oil, and eggs. Beat on low speed until blended. Scrape bowl, and beat 4 minutes on medium speed. Pour batter into prepared pan.
3. Bake in the preheated oven for 30 to 35 minutes, or until a toothpick inserted into the center of the cake comes out clean. Allow to cool.
4. To make the frosting: In a large mixing bowl, combine the whipped topping mix and 1/2 cup root beer. Beat until soft peaks form. Spread on top of cake.