Add the bananas, milk, rolled oats, The Holly Tree Organic Creamy Peanut Butter, The Holly Tree Organic Cinnamon Powder, and The Holly Tree Organic Nutmeg Powder to a blender.
Add the honey, if using, along with the ice cubes.
Blend until smooth and creamy.
Pour into serving glasses.
Garnish with a light sprinkle of The Holly Tree Organic Cinnamon Powder and a pinch of The Holly Tree Organic Nutmeg Powder before serving.