I modified my Fruit Smoothie recipe from the other day to lower the calories. The following recipe makes 2 large servings and each serving is about 50 calories (depends on what type of fruit you use). I made mine with diet Lemonade (Crystal Light brand) and it was great.
Diet Fruit Smoothie
4 Packets Sugar-free sweetner (like Splenda or Equal)
1/2 cup Strawberries, quartered with the stems and hulls removed*
1 medium peach, skinned and pitted*
1/2 cup lemon juice
ice 6-12 pieces
1/2 cup sugar-free lemonade or diet Sprite
In a blender, combine the sweetner, fruit, and lemon juice. Blend thoroughly. With the blender on, add ice a piece or two at a time. Add as much or as little ice as you desire (I like mine to be about the consistency of a Slurpee). Add lemonade or soda and blend until it is combined with the other ingredients. If your smoothie is thick, you may need to use a spoon to stir in the lemonade or soda.
