This easy 4 ingredient raspberry lemonade smoothie recipe is a refreshing blend of sweet raspberries, tart lemon, and creamy banana, perfect for beating the summer heat! Enjoy it for breakfast or as an afternoon snack that's bursting with natural fruit flavors. Plus, it's low fat, vegetarian, gluten-free, and vegan-friendly. Discover how to customize this smoothie with my ingredient tips, substitutions, and FAQs. Pin it now and enjoy a taste of summer in every sip!