3/4 c. Strawberry margarita mix (liquid)
1/2 c. water
1 white cake mix
3 egg whites
1 tbsp grated lime peel
1 tub of Cool Whip
Preheat oven to 350 degrees, spray a 9x13 pan with cooking spray.
Mix 1st set of ingredients together and pour into prepared pan.Bake 28-33 minutes. Cool completely about 2 hours. Mix lime and Cool Whip together and frost cake. Chill 1 hour before serving.