Grain-Free Peanut Butter Pancakes With Yogurt. Learn more about Lifeway Kefir. It's high in protein and calcium and has 12 live and active probiotic kefir cultures. Many pancake recipes contain buttermilk, kefir, or yogurt, which creates a lovely flavor, but, more importantly, gives the baking soda an acidic medium to react with and create the leavening necessary. Lifeway Kefir is a tart and tangy cultured milk smoothie. Serve and enjoy! Instructions Blend all ingredients in blender just until smooth. Ingredients: 2 cups kefir 1 1/2 cups carrot juice 1/ 1/2 cups orange juice 1 tbsp honey Lifeway Kefir is a tart and tangy cultured milk smoothie.