1 box Duncan Hines moist lemon cake mix

ICING:

1 96 oz.) can frozen lemonade
1 can Eagle Brand milk
1 (8 oz.) container Cool Whip
3 drops yellow food coloring

Bake cake according to package directions in a 9 x 13 inch pan. Cool and split cake in half. Mix ingredients for icing and spread between layers and on all sides and top of cake.