1 cup vanilla low-fat frozen yogurt
1 cup vanilla soy milk
1/2 cup cubed soft silken tofu
2 to 3 teaspoons instant coffee granules
2 ripe bananas, sliced and frozen (about 1 1/2 cups)
Ground cinnamon (optional)
Place first 5 ingredients in a blender; process until smooth and frothy. Sprinkle with cinnamon, if desired.