Place all ingredients in a blender. Process until thick and smooth. Serve immediately.
Notes
Using frozen fruit is the key to a thick, creamy smoothie. I like to slice overripe bananas, wrap them individually, and then stash them in the freezer to grab for smoothies whenever we need them.
You can start with fresh strawberries (and slice them and freeze them in 1/2-cup portions) or you can purchase a bag of unsweetened frozen strawberries in the freezer section at the grocery store.
Add a squeeze of lemon juice or orange juice to the smoothie for a bright, fresh burst of flavor.
We use vanilla flavored or strawberry flavored Greek-style yogurt, but you can substitute with plain Greek yogurt to reduce the amount of sugar in the smoothie. If you're using plain yogurt, I suggest adding a dash of vanilla extract for flavor, as well as a bit of honey or other sweetener of choice (if desired).
I use 2% milk in the smoothies because that's what my boys prefer; however, you can substitute with any variety of milk or non-dairy milk alternative (such as almond milk).
Instead of milk or almond milk, you can use orange juice as the liquid for your smoothie. It won't be as creamy, but that touch of citrus will be delicious!
You can also make it a strawberry banana smoothie bowl by pouring the thick, creamy smoothie in a large bowl and topping the bowl with slices of fresh banana, fresh berries, granola, nuts and seeds. Eat it with a spoon, rather than sipping it through a straw! If you have a very high powered blender (such as a Vitamix or Blendtec), you can reduce the milk to 1/4 cup and have an ultra-thick smoothie bowl that's perfect for a spoon.
Make a Strawberry Banana Spinach Smoothie by adding a handful of baby spinach leaves to the blender. It won't change the taste of the smoothie, but it will add some great nutrients!
Prepare a Strawberry Banana Peanut Butter Smoothie by adding a tablespoon or two of peanut butter to the blender for staying power and healthy fats.
Make it a Strawberry Banana Oatmeal Smoothie by including a 1/4-cup of raw oats in the blender. It will thicken the drink, add fiber, and make it even more filling.
For a dessert treat, turn this recipe into a Strawberry Banana Milkshake. Instead of the yogurt, use vanilla or strawberry ice cream!