These monster cookie fudgy brownies are the perfect combination of fudgy chocolate brownies and a chewy monster cookie. The two work together so well and give a rich and gooey experience. This is best brownie and cookie combo out there!
Why Are Monster Cookie Fudgy Brownies The Perfect Combo?
I actually paired both the monster cookies and fudgy brownies from my original recipes. I thought the cookies are amazing, and the brownies are amazing, why not pair them together. Together they make for a RICH brownie.
The fudgy brownies are super fudgy and FULL of chocolate. There is cocoa powder, regular chocolate chips, mini chocolate chips, and milk chocolate chips. They are seriously so RICH.
Then, the chewy monster cookies are full of so many wonderful things. They have peanut butter, oats, mini chocolate chips, and mini M&Ms.
Together they are full of chocolate, but the peanut butter and oats in the cookie really heighten the experience. You can do no wrong with this combo!
Parts To Make The Monster Cookie Fudgy Brownies
To make these cookie brownies, it requires 4 simple parts.
- Part 1: Make the monster cookie dough- Before you make the dough, make sure the butter and eggs are at room temperature. You will get a much better rise when it bakes!
- Part 2: Chill the cookie dough- After you make the dough, it will be very sticky. (Too sticky!) Chill the dough for 30 minutes.
- Part 3: Make the brownie batter- When the cookie dough is almost done chilling, start the brownie batter. Luckily all of the butter and eggs should be cold! So no waiting!
- Part 4: Assembly- Pour the brownie batter in the pan with the cookie dough on top. Then bake!
The brownies should be made with a regular whisk and a bowl. The monster cookies do need a mixer, so the butter can get aerated with the sugar.
Making The Monster Cookie Dough
To make the cookie dough, start by sifting all of the dry ingredients in one bowl. I use this sifter, to make sure all the lumps are gone!
For this recipe, I added extra flour compared to my original chewy monster cookie recipe. The extra flour, makes the cookies more stable with the brownies.
Then, use a mixer (it can be stand or hand mixer) and beat the butter with the brown sugar and sugar. It should be light and fluffy. Then, add the vanilla, peanut butter, eggs, and egg yolk.
Once it is all mixed in, add the dry ingredients in. Then, add the oats, mini chocolate chips and mini m&ms. The dough will be very sticky. Make sure to cover and chill for 30 minutes before baking!
The Best Fudgy Brownies
These are seriously the best fudgy brownies. They are SO easy to make!
Start by sifting all the dry ingredients together. Then melt the butter and sugar in the microwave. The butter should be completely melted.
Then, use a whisk to blend the sugar and melted butter together. The melted butter helps to make a more fudgy texture. Then, add the eggs and egg yolk. Next, add in the vanilla and oil. The batter should be silky, then add in the dry ingredients.
The batter should be a thick brownie batter. Then, add in all of the chocolate chips. See? It is easy peasy!
Baking The Monster Cookie Fudgy Brownies
Now it is time to assemble the monster cookie fudgy brownies! I prefer to use a 9X9 pan because it makes for thick MONSTER brownies. If you don’t want thick brownies, you can use 9X13 pan. Bake those for 30-40 minutes.
Make sure to line the pan with parchment paper. There should be enough up the sides so you can easily pull it out.
Next, pour the brownie batter into the pan. Then, grab the cookie dough and grab a fistful of dough and flatten it into a disc. Place the dough all around the batter. Don’t put it too close together, we want a little bit of brownie batter to poke through.
Now it is time to BAKE! Bake the brownies for 40-50 minutes. The brownies should be slightly under baked.
The Importance Of Cooling The Brownies
Cooling the brownies is so important! It not only affects the taste, but also how well they can be cut into.
When the monster cookie fudgy brownies are hot, the chocolate flavor is very dull. When they cool down, the flavor blooms and you are left with rich chocolate brownies.
If you are like me, you want perfectly squared brownies. First, the brownies should be completely cool. The best way to get perfect brownies is to either put them in the fridge, or if you are impatient (like me) then stick it in the freezer for 10 minutes.
Colder brownies are much easier to cut into. They hold their shape better.
How To Store The Monster Cookie Fudgy Brownies
Store the brownies covered and at room temperature. I usually put the cut brownies back in the pan and cover with aluminum foil. They will last up to 5 days at room temperature.
Other Brownie Recipes To Try
- Peanut Butter Brownies
- Salted Caramel Brownies
- Chocolate Cheesecake Brownies
- Brownie and Cookie Dough Sandwiches
Make sure to tag me on Instagram @stephaniesweettreats and leave me a review below if you made these brownies. I hope you loved it! To get more ideas follow me on Pinterest.
Monster Cookie Fudgy Brownies
Ingredients
Brownies
- 1 1/3 cup White granulated sugar
- 5 TBSP Unsalted butter
- 2 Large eggs cold
- 1 Egg yolk cold
- 1 tsp Pure vanilla extract
- 1/3 cup Oil canola or vegetable
- 1/2 cup All-purpose flour
- 3/4 cup Unsweetened cocoa powder
- 1/8 tsp Baking soda
- 1 TBSP Cornstarch
- 1/4 tsp Salt
- 1/2 cup Semi-sweet chocolate chips
- 1/2 cup Milk chocolate chips
- 1/8 cup Mini chocolate chips
Monster Cookie
- 1 cup All-purpose flour
- 2 tsp Cornstarch
- 1 tsp Baking soda
- 1/4 tsp Baking powder
- 1/4 tsp Salt
- 1/2 cup Unsalted butter room temperature
- 3/4 cup Brown sugar packed light or dark
- 1/4 cup White granulated sugar
- 1/2 cup Peanut butter creamy
- 1 tsp Pure vanilla extract
- 1 Large egg room temperature
- 1 Egg yolk room temperature
- 1 cup Quick oats
- 1 cup Mini chocolate chips
- 1 cup Mini M&M's
Instructions
Monster Cookies
- In a medium sized mixing bowl, mix together flour, cornstarch, baking soda, baking powder, and salt.
- Using a mixer, beat the butter, brown sugar, and sugar together for 1 minute on medium. It should be light and fluffy. Add in the peanut butter and mix for another minute.
- Add in the vanilla. Then, add in egg and egg yolk one at a time. Scrape the bowl and mix again for 20 seconds.
- Slowly add the dry ingredients into the wet ingredients. Once combined, add in oats, m&m's, and chocolate chips. Cover and chill for 30 minutes.
Brownies
- When the cookies are almost done chilling, start the brownie batter. Preheat the oven to 325F. Spray a 9X9 pan with non-stick baking spray. Line the bottom and 2 sides of the pan with parchment paper. This will make it easier to take out of the pan.
- In a medium bowl, whisk the flour, cocoa powder, baking soda, cornstarch, and salt. Set aside.
- In a microwave safe bowl, place butter and sugar in the bowl and heat for 1 minute. The butter should be melted. Place the butter/sugar in a medium mixing bowl and whisk together until combined.
- Add eggs and egg yolk and whisk until combined. Add the oil and vanilla and whisk again. Add in the dry ingredients and gently fold the batter until combined. Add in the chocolate chips, milk chocolate chips, and mini chocolate chips.
- Pour the batter in the pan. Use a rubber spatula to smooth the batter into the corners.
- Take the monster cookie dough out of the fridge. Take a fist full of dough and flatten it into a disc and place on top of the batter. Continue until all of the dough is in the pan. Don't compact the dough in, we want a little bit of the brownie batter to come through. See picture above.
- Bake for 40-50 minutes. The brownies should be slightly underbaked in the middle, but have no jiggle. If it jiggles, bake for another 5 minutes and check again.
- Let the brownies cool completely. For easier cutting, place brownies in the freezer for 10 minutes. Then, cut them into squares. Store covered at room temperature.
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