• Prep Time: 20 mins
  • Cooking Time: 45 mins
  • Serves: 12

Monster Cookie Brookies

  • Recipe Submitted by on

 Ingredients List

  • For the Brownie Layer:
  • 1/2 cup butter, room temperature
  • 1 cup granulated sugar
  • 1 tsp vanilla extract
  • 2 eggs
  • 1/2 cup all purpose flour
  • 1/2 cup cocoa powder
  • 1/4 tsp baking soda
  • 1/4 tsp salt
  • 2 cups chocolate chunks
  • For the Monster Cookie Layer:
  • 1/2 of the dough of Monster Cookie
  • Monster Cookies:
  • 1/2 c. butter, softened (not melted)
  • 1 1/2 c. peanut butter
  • 1 c. brown sugar
  • 1 c. sugar
  • 3 eggs
  • 1 tbsp. corn syrup (I've used maple syrup in a pinch-- no maple taste in the cookies)
  • 1 tsp. vanilla
  • 2 tsp. baking soda
  • 1 tbsp hot water
  • 4 1/2 c. old fashioned oats
  • 1/4 tsp. salt
  • 1 package M&Ms (plain or peanut)
  • 1 c. semi sweet chocolate chips


For the Brownie Layer:
Preheat oven to 350 degrees F. Line a 9x13 baking dish with TIN FOIL and spray with non cooking spray. Allow at least an extra inch of foil along the sides to fold over the edges towards the end of baking (the edges brown much more quickly than the center will bake).
Beat together the butter, sugar, and vanilla in a stand mixer bowl. Add the eggs one at a time, mixing well between each addition.
Stir together the flour, cocoa powder, and salt. Gradually add the dry ingredients to the butter mixture. Mix in the baking soda.
Mix in the chocolate chunks with a wooden spoon or spatula.
Once the batter forms, scrape it into the prepared dish and spread evenly (it will be thin, and don't stress if it doesn't spread all the way to the edges-- the monster cookie dough will add extra thickness to the bars).

Spread the Monster Cookie dough over the brownie batter layer.
Bake for 35-45 minutes, until a toothpick inserted comes out pretty clean, the edges are golden brown, and the middle seems pretty set (I still had a LITTLE chocolate batter on my toothpick, and the middle still moved just a bit).
Also note: at about the 25 minute mark, I folded over the edges of the tin foil around the crust of the bars to prevent burning.
Let cool, and cut into squares for serving.

Monster Cookies:
Preheat the oven to 350 degrees F.
Beat together the peanut butter and butter until smooth and combined.
Beat in the brown sugar and granulated sugar.
Add the eggs, one at a time, and mix in between each addition.
Mix in the corn syrup and vanilla.
Dissolve the baking soda in the hot water, then mix into the batter.
Mix in the oats and salt. Fold in the M&Ms and chocolate chips.

Scoop cookie dough by rounded tablespoons onto a parchment or silicon lined baking sheet. Bake for 9 minutes, until the edges look set and golden, but the top is not brown.

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