Make 1/2 cup of coffee and heat the 1/2 cup of milk in a pot.
Add 3/4 ounces of Baileys Original Irish Cream, 1/2 cup hot coffee, 1/2 cup hot milk, 4 melted peanut butter cups, and 1 tablespoon peanut butter in a blender.
Blend all the ingredients until well combined.
Pour into a mug or glass and top with whipped cream, shaved chocolate, and whole peanut butter cups.
This drink serves one person and contains no more than 0.6 ounces of alcohol per serving.