Banana Peanut Butter Green Smoothie. Bananas and peanut butter are two of my favorite food combinations and this green smoothie blends them together perfectly. Beside the green color you would never know this had kale :) Smoothies, Skinny, Snacks, Detox, Smoothie Recipes, Healthy Smoothies, High Protein Snacks, Healthy Snacks, Peanut Butter Smoothie