INGREDIENTS
1 cup
Carbonated lemon-lime beverage
3
Egg whites
1 18 1/4 ounce package
Cake mix, yellow
2 1 ounce packages
Jell o instant pistachio pudding mix
2 cups
Topping, reduced-fat whipped
1 tsp
Vanilla extract
1
nonfat plain yogurt, nonfat plain
1 1/2 cups
Milk, nonfat