Weight Watchers Pistachio Cake - cooking recipe

Ingredients

CAKE
18 1/4 ounces white cake mix
3 egg whites
2 1/2 cups diet 7-Up
FROSTING
1 (1 ounce) package sugar-free instant pistachio pudding
8 ounces fat-free cool whip (small)
1 cup diet 7-Up

Preparation

Mix all ingredients together.
Spray 13 x 9 pan.
Bake at 350\u00b0F for 30 - 35 minutes. Test cake top by lightly touching the center which should feel slightly firm and will slightly spring back to the touch.
(Cool cake completely before frosting.).
Mix together frosting ingredients and spread over cake.
Refrigerate until ready to eat and hold in the fridge for up to two weeks!
Enjoy!