For a thicker, sweeter smoothie use a frozen banana in place of the fresh banana
Make it vegan by using a non-dairy yogurt and milk, such as almond or coconut
Add a tablespoon of coconut oil
Add 1 to 2 tablespoons of creamy peanut butter (or use powdered peanut butter)
Swap the cinnamon for 1 teaspoon pure vanilla extract
Add 1 tablespoon hemp hearts
Add more fruit, such as fresh or frozen pineapple or berries
Top the smoothie with chopped nuts, such as almonds or walnuts