Cheesecake with wafers

1/2 cup sugar 20 reduced-calorie vanilla wafers 1/8 teaspoon salt, divided 3 large egg whites, divided Cooking spray 1 1/2 cups sugar 3 tablespoons cornstarch[...]

6 each graham wafers * 1 1/2 tablespoons margarine melted 1 tablespoon gelatin granulated * 1/2 cup water cold 1/3 cup water boiling 1/2 teaspoon lemon zest[...]

1 1/2 cups graham wafers low-fat, crushed * 1 tablespoon sugar 1 each egg white * 1 cup cottage cheese (low-fat 1%) 2 cups sour cream low-fat 1/2 cup sugar 2[...]

1 1/2 cups vanilla wafer crumbs finely ground * 3/4 cup hazelnuts shelled, toasted, ground 2 tablespoons sugar granulated 2 tablespoons butter melted Filling[...]