Want a great recipe to help your kids learn measuring skills while they have fun in the kitchen? Try this smoothie, loaded with nutrition powerhouses such as milk, bananas, blueberries, kiwi and— yes, spinach! For extra protein, try adding 1/2 cup greek yogurt. Ingredients 2 cups frozen unsweetened strawberries ½ cup blueberries 1 banana, peeled and cut in chunks ½ kiwi, peeled and sliced 2 cups fresh spinach ½ cup ice cubes 1 cup fat-free milk ½ cup 100% apple juice Directions Before you begin: Wash your hands. Combine strawberries, blueberries, banana, kiwi, spinach, ice cubes, fat-free milk and apple juice in blender. Blend until smooth. ....