Insane Oreo Cake

This Oreo Crazy Cake is a diet-busting, sugar-rush-inducing, chocolate-overdose-inducing slice of bliss. This cake has so much going on that it’s ridiculous, yet incredibly delicious.

Jump to Recipe –

Let’s go into what’s within.

The cake itself is a delicious chocolate cake with chopped oreos mixed in.

After baking, fill it with funfetti marshmallow buttercream. Isn’t it fun?

You may omit the sprinkles if you choose, but I believe they give a delightful touch.

The cake is then topped with double chocolate buttercream. As if that wasn’t enough, you’ve got oreos dipped in vividly colored candy melts and buttercream-attached to the cake.

There are affiliate links in this post. I earn money as an Amazon Associate by making qualifying purchases. My policies are linked on the website footer.

Candy melts are frequently available at your local craft shop. They’re even available at my local Walmart. You may also get them on Amazon: Turquoise Candy Melts, Purple Candy Melts, and Hot Pink Candy Melts are all available.

Yes, this is a diet buster, but it is so worth it.

You don’t even need a special occasion to create this; all you need is a large sweet craving (which I seem to have at all times).

Let’s go to the recipe. Oh, and there’s also a video below that shows how everything is put together.

Oreo Insanity Cake

This Oreo Insanity Cake is a diet busting, sugar rush inducing, chocolate overdose, piece of heaven. The actual cake is a rich chocolate cake with chopped oreos added to the batter, filled with funfetti marshmallow buttercream, then covered with double chocolate buttercream and oreos dipped in colorful candy melts.

Let’s get started with the recipe. Oh, and there’s also a movie below that shows how everything comes together.

Now for the recipe. Oh, and there’s a video below that shows how everything is put together.

Course: Dessert
Cuisine: American
Keyword: oreo cake
Prep Time: 1hour51minutes
Cook Time: 50minutes
Total Time: 2hours41minutes
Servings: 10servings
Calories: 1760kcal



  • 2 cups crushed oreos
  • 2 cups of all-purpose flour
  • a cup of cocoa powder
  • 2cupssugar
  • 1 tsp baking powder
  • 1 tsp baking soda
  • 1teaspoonsalt
  • 3largeeggs
  • 1cupmilk
  • a cup of vegetable oil (or canola oil)
  • 1 tsp vanilla extract
  • a cup of hot water

Funfetti Marshmallow Buttercream:

  • 1 cup butterroom temperature
  • 2 cups marzipan cream
  • 4 cup sifted sugar (can add an extra cup if needed)
  • 3 tbsp milk or cream (can add an extra tablespoon or two if needed)
  • 1 tsp vanilla extract
  • cupsprinkles

Double Chocolate Buttercream:

  • 2 cups butterroom temperature
  • a cup of cocoa powder
  • 6 cup sifted sugar
  • 4 tbsp milk or cream (can add an extra tablespoon or two if needed)
  • 4 oz semi-sweet chocolate, melted (and slightly chilled) (I used a baking bar)

Candy Melt Covered Oreos:

  • 12oreos
  • candy melts in a variety of hues
  • sprinkles


For the cake:

  • Preheat the oven to 350°F. Grease and flour three 6-inch baking dishes.
  • Almost a full bag of Oreos should be chopped. A food processor makes things simple, but you may simply put them in a zipper bag and smash them with a rolling pin. Save these for later. Save around 10-12 entire oreos for the cake’s decoration.
  • Mix the flour, cocoa powder, sugar, baking powder, baking soda, and salt in a mixing dish.
  • Separately, combine the eggs, milk, oil, and vanilla extract.
  • Mix the liquid mixture into the dry ingredients until well blended.
  • Include the hot water.
  • Mix in another two cups of chopped Oreos.
  • Scrape down the sides of the basin and mix just until everything is incorporated. Take care not to overmix.
  • Bake at 350 degrees for approximately 50 minutes in three 6 round cake pans.
  • Let to cool for 10 minutes on a wire rack. Remove from pans and cool fully on a wire rack.

Funfetti Marshmallow Buttercream:

  • Blend the butter until it is smooth. Mix in the marshmallow cream well. Add three cups of powdered sugar and a few teaspoons of milk. Combine thoroughly. Add a cup or two more powdered sugar. (If you add an additional cup, it will be sweeter and thicker.) If your buttercream is too thick, add a tablespoon of milk at a time, and then add the vanilla extract. Combine thoroughly. Mix in the sprinkles with a spoon or a rubber spatula.

Double Chocolate Buttercream:

  • Combine the butter and cocoa powder in a mixing bowl. Add three cups powdered sugar and a few tablespoons milk. Combine thoroughly. Mix in the remaining three cups of powdered sugar and a tablespoon or two of the milk. If it’s too thick, stir in another tablespoon of milk. Mix in the melted and cooled chocolate well.

Candy Melt Covered Oreos:

  • Microwave the candy melts to melt them. A spoonful of vegetable oil may be added to help thin them out. Pink, purple, and turquoise were the colors I chose. Dip the oreos into the melted candy melts, then sprinkle with sprinkles and lay aside on wax paper to dry.

Putting the cake together:

  • Place a layer of cake on a cake plate or board. Top with another layer of chocolate cake and the funfetti marshmallow buttercream. Add a layer of marshmallow buttercream, followed by the third layer of cake. Double chocolate buttercream should be used to cover the whole cake. Make a border around the top and bottom of the cake using a pastry bag. Now, within the chocolate border you previously piped, pipe dollops of the funfetti marshmallow buttercream on top of the cake. Using a dab of buttercream, wrap the candy-dipped oreos around the bottom of your cake. Cut a few oreos in half and arrange them around the top of the cake.


This recipe card may contain affiliate links. As an Amazon Associate, I earn from qualifying purchases.


Calories: 1760kcal | Carbohydrates: 255g | Protein: 11g | Fat: 84g | Saturated Fat: 51g | Cholesterol: 206mg | Sodium: 1102mg | Potassium: 488mg | Fiber: 6g | Sugar: 205g | Vitamin A: 1845IU | Calcium: 121mg | Iron: 7.8mg

Such a delightful cake to prepare for a birthday party, don’t you think? You’ll be in paradise with a dollop of ice cream on top. You may need a sleep and probably some insulin later, but you’ll be fine!

There are affiliate links in this post. I earn money as an Amazon Associate by making qualifying purchases. My policies are linked on the website footer.

Tools Used for Oreo Insanity Cake:

  • Food Preparation Machine
  • Mixing Stand
  • Portable Mixer
  • Stand Mixer Flat Flex Edge Beater
  • Pans with Magic Lines (6 round)
  • Sprinkles in various colors
  • Cake Stand that Rotates
  • Icing Spoon
  • Piping sacks
  • Piping Tip 6B Star
  • Piping Tip 8B Star
Rate this post