Root Beer Float Cake

Directions

1. 1
   In a mixing bowl, combine the four ingredients.
2. 2
   Beat on slow speed for 30 seconds, beat on high speed for 2 minutes.
3. 3
   Pour into a greased 13x9x2-inch baking pan.
4. 4
   Bake at 350F for 35-40 minutes or until a wooden pick inserted near the center comes out clean.
5. 5
   Cool completely on a wire rack.
6. 6
   Beat frosting ingredients until stiff beads form.
7. 7
   Frost cake, and chill.