blender or food processor
For 90 calories and no fat per serving, use fat-free (skim) milk and fat-free strawberry yogurt.
You can use other flavored yogurts such as banana cream pie, mixed berry or key lime pie for a flavor change.
For an added touch, leave the green leaves on the strawberries. Make a small cut on the side of the strawberry and slide it on the rim of the glass.
Cut out the hull, or "cap," with the point of a paring knife.