This nourishing 5 minute watermelon banana smoothie is made with just 5 simple ingredients and is packed with protein, fiber and antioxidant-rich Vitamin C. It’s a healthy and refreshing breakfast smoothie and a terrific way to start your day! Toss fruit, milk, and Greek yogurt, with a generous squeeze of lime juice, into a high- powdered blender, and voila! — a nutritious morning smoothie.