Cake Batter Monster Cookie Cake
This Cake Batter Monster Cookie Cake is an cake batter oatmeal cookie with MnMs and sprinkles. It’s topped with a little vanilla buttercream.

- Prep time
- 15 min
- Cook time
- 35 min
- Yield
- 8 servings
- Difficulty
- HARD
Ingredients
- 1/2 c unsalted butter
- 1/2 c sugar
- 6 tbsp light brown sugar
- 1 large Eggs
- 2 tsp vanilla extract
- 3/4 c flour
- 1/2 c yellow cake mix, dry
- 1 c quick oats
- 1/2 tsp salt
- 1/2 tsp baking soda
- 1/4 c mini chocolate chips
- 1/2 c MnMs candies
- 1/4 C sprinkles
- For the frosting
- 1/2 c unsalted butter
- 2 c powdered sugar
- 1 tsp vanilla extract
- 1 tbsp milk
- Additional Sprinkles for garnish
Instructions
- 1
Preheat oven to 350° F.
- 2
Soften butter in the microwave 10-15 seconds. Combine butter with both light brown sugar and granulated sugar. Mix until smooth and mixture becomes fluffy.
- 3
Add egg and vanilla extract and beat until egg is thoroughly incorporated.
- 4
In a separate bowl, combine flour, dry cake mix, oats, salt and baking soda. Slowly add flour mixture to dough batter while mixing at a low speed.
- 5
Once all the flour has been added, increase speed to medium until dough forms. Add mini chocolate chips. MnMs and sprinkles and mix until combined.
- 6
Grease a 9-inch spring form pan with Crisco or cooking spray. Line the bottom of parchment paper or tin foil.
- 7
Bake for 32-35 minutes at 350°F. During the last 10 minutes, cover the cookie cake with tin foil. Remove from oven and allow to cool until removing the edge of the pan.
- 8
Allow butter to soften for about 30 minutes. Or soften in the microwave for 10-15 seconds.
- 9
Whip butter with a paddle attachment on medium speed until light and fluffy.
- 10
Slowly add powdered sugar 1 cup at a time. Frosting will become thick. After powdered sugar have been added, add 1 tablespoon of milk. Whip until smooth. Pipe onto edges of cake and garnish with additional sprinkles.