Blueberry-Strawberry-Layered Smoothie

Place the strawberries, blueberries, lemon juice, and sugar in a food processor, and puree. Pour puree evenly into two glasses.

Combine the yogurt, milk, and crushed ice in a blender, and blend until frothy. Pour the yogurt mixture over the fruit puree in each glass. Stir the smoothie several times to slightly incorporate the two layers, and serve immediately.