Ingredients
1 cup fresh raspberries or unsweetened frozen raspberries thawed
1 1/4 cups grapefruit juice
3 tablespoons splenda
1 1/3 cups diet lemon-lime soda
Preparation
Process raspberries, grapefruit juice and splenda in a blender until smooth. Press mixture through a sieve into a pitcher; discard solids. Fill four tall glasses with ice and pour about 1/2 cup of the raspberry mixture into each one. Add 1/3 cup of the soda to each glass. Serve immediately.