This green peanut butter smoothie recipes uses kale, banana, yogurt, peanut butter and a touch of cinnamon to pack in a healthy punch! Serves: 1-2  Ingredients: 1 banana 1/2 – 1 cup milk (dairy or non-dairy) 1/4 cup Greek yogurt (optional) 1 cup torn kale or spinach  2 tablespoons peanut […]