Delicious chocolate peanut butter smoothie

Ingredients:
*  1 ripe banana
*  1/2 cup peanut butter
*  1/4 cup cocoa powder
*  1 cup milk (dairy or plant-based)
*  1/4 cup chopped peanuts (optional)
*  Ice cubes
Instructions:
* Combine all ingredients in a blender.
* Blend until smooth.
* Pour into a glass and enjoy!
Tips:
* For a thicker smoothie, use less milk.
* For a sweeter smoothie, add a spoonful of honey or maple syrup.
* For a more protein-packed smoothie, add a scoop of protein powder.
Enjoy your delicious and nutritious chocolate peanut butter smoothie!