OOOH. I have all of this stuff! Peanut Butter Banana Smoothie Recipe serves 2 2 bananas sliced and frozen 1/4 cup oats 1/4 cup peanut butter 3/4 cup milk Put oats in blender and blend until they're powdery. Add remaining ingredients and blend until there are no more chunks of frozen banana. Garnish with fresh banana slices if desired.