In a large mixing bowl, add the Marshmallow fluff, Cool Whip, and cocoa powder.
Whisk the ingredients together until it is light and fluffy.
Place in a bowl and garnish with mini marshmallows and mini chocolate chips, if desired. (You could even garnish it with chocolate jimmies, grate chocolate on top, or drizzle chocolate syrup over it.)
Serve with graham crackers, cookies, and/or fruit.
Video
Notes
Nutrition information is a rough estimation and is for the dip only. It excludes garnishes and cookies and/or fruit consumed with it.