This is one of the things I like to make with the blackberries that I harvest from my yard. This is the first berry smoothie of the year. Yum!
Fresh Blackberries
Fresh Clementine orange
Fresh Banana
Frozen pineapple pieces
Frozen Lambert cherries
Some nonfat plain yogurt
Some soy milk

All measures: your choice.
With my mix, it was about 160 calories, 8g fiber, 3g protien