First, start by adding the heavy whipping cream and hot cocoa mix in a large bowl. Then, using a hand mixer beat together until light and fluffy.
Next, add marshmallow fluff. Then, using the hand mixer, beat until well combined.
Next, add Extra Creamy Cool Whip and using the hand mixer beat until just combined.
Then use a rubber spatula to scrape down the sides of the bowl and continue folding in the Cool Whip until everything is well incorporated.
Allow to chill covered for at least two hours before serving.
To serve, transfer to a bowl or festive pie plate, top with the mini chocolate chips and mini dehydrated marshmallows, and serve with cookies, pretzels, etc., for dipping.