This classic strawberry banana smoothie recipe is easy to make with 4 simple ingredients in less than 5 minutes, and always tastes so sweet and refreshing! Frozen strawberries: Or you can sub in any other kind of frozen berries that you have on hand. Banana: I typically just use fresh bananas. But if you have frozen sliced bananas, you can omit some of the ice in this recipe. Milk: Any type of milk will work for this recipe — cow’s milk, almond milk, oat milk, you name it. Ice: However much is needed to achieve your desired smoothie consistency. Optional add-ins: See ideas below!