Lemon Icebox Cake - cooking recipe

Ingredients

1 (18 1/4 ounce) package lemon cake mix
2 (3 1/2 ounce) packages instant lemon pudding mix
0.5 (12 ounce) can frozen lemonade concentrate
1/2 cup oil
4 eggs
1 cup carbonated lemon-lime beverage (I use the generic kind)
1 cup milk
1 (8 ounce) container frozen whipped topping, thawed

Preparation

Combine cake mix, 1 pkg. pudding mix, lemonade concentrate oil and eggs. Beat two minutes on medium speed. Add soda and mix just til blended.
Transfer to a greased 9x13 pan.
Bake at 350* for 35-40 minutes or til done.
Allow to cool completely.
In a bowl, combine remaining pkg. of pudding mix and milk. Whisk until combined and allow to \"set\" until fairly thick (about 5 minutes) and then fold in whipped topping.
Spread over cooled cake. Refrigerate until ready to serve and refrigerate leftovers.