A banana shake is a delicious and refreshing drink that can be enjoyed on its own or as a meal replacement. There are many different ways to make a banana shake, but the most basic recipe includes milk, bananas, and ice. For an extra boost of protein, you can add whey powder or yogurt to your shake. If you're looking for a thinner consistency, add water or almond milk instead of regular milk. And if you want to make your shake even more indulgent, top it with whipped cream or chocolate sauce.