Refreshing and colorful fruit smoothies called batidos are served at Cuban snack bars all over Florida. Buttermilk is basically cultured lowfat milk and has a similar taste to yogurt.
Yield: single serving
1 ripe banana, peeled and cut into chunks
1/2 cup frozen blueberries
1 tablespoon sugar
4 ice cubes
1 cup buttermilk
Combine all ingredients in a blender and blend until smooth.