Root Beer Float Cake

http://www.foodnetwork.com/recipes/old-fashioned-root-beer-float-cake-recipe.html

OR

Temp: 350^oF      Time: 35-40 minutes

1 pkg (18-1/4 oz) white cake mix

1-1/4 cups Root Beer

2 eggs

1/4 cup vegetable oil

In a mixing bowl, combine the first 4 ingredients.  Beat on low speed for 30 seconds, then beat on high for 2 minutes.  Pour into a greased 9 x 13 pan.  Bake until a toothpick inserted comes out clean.  Cool completely on wire rack. 

Frosting

1 packet (3 oz) whipped topping mix

1/2cup chilled Root Beer

In a mixing bowl, beat frosting ingredients until stiff peaks form.  Frost cake.  Chill.