Peel bananas and wash and cut off the tops of strawberries. Put into blender with milk and yogurt and whirl away.
Variations: Instead of yogurt and milk, add 1/2 cup apple juice, 1 cup crushed ice and 1 tablespoon honey.
M&M powdered - use only 1/2 cup milk and substitute 1/2 cup vanilla ice cream for yogurt. Then add a handful of crushed ice and a small bag of M&M'S®.