Combine first 3 ingredients in container of an electric blender. Add ice cubes to measure 4 cups; top with cover and process until thick and smooth. Yield: 4 cups (about 137 calories per 1-cup serving).
Apple Smoothie: Substitute 1 (6-ounce) can frozen apple juice concentrate for orange juice concentrate; add dash of apple pie spice. Yield: 4 cups (about 140 calories per 1-cup serving).
Banana Smoothie: Substitute 2 frozen, ripe bananas, sliced, for orange juice concentrate. Yield: 4 cups (about 124 calories per 1-cup serving).
