User: How can I make a low-calorie smoothie?
Assistant: To make a low-calorie smoothie, blend together 1/2 cup of fresh fruit, a handful of greens (such as spinach or kale), 1/2 cup of unsweetened almond milk or coconut water, 1 scoop of protein powder, 1 teaspoon of honey, 1/2 teaspoon of ground cinnamon and a few ice cubes.  Enjoy your healthy and delicious smoothie!