Ripe mangoes make all the difference in the flavor of this refreshing yogurt-based drink; they will also give the drink a more vibrant color.
Cut the flesh away from each mango pit. Transfer the flesh to a blender. Blend until pureed; mixture should yield about 3 1/2 cups. Add yogurt and lime juice to the processor, and process until combined.
Working in batches if necessary, add 2 cups ice; blend until combined. Serve cold.