Name: Soft & Thick Monster Cookies
Prep time: 30 min
Cook time: 12 min
Total time: 42 min
Yield: 18 cookies
Cuisine: American
Ingredients: 160 grams all-purpose flour; 1 tsp cornstarch; 0.5 tsp baking powder; 0.5 tsp baking soda; 0.5 tsp kosher salt; 113 grams unsalted butter; 135 grams creamy peanut butter*; 160 grams brown sugar; 50 grams granulated sugar; 1 egg; 1 egg yolk; 1 tsp vanilla bean paste or extract; 68 grams old fashioned rolled oats; 100 grams m&ms; 85 grams chocolate chips

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Soft & Thick Monster Cookies

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Ingredients

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Instructions

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Instructions

In a medium bowl, whisk together the flour, cornstarch, baking powder, baking soda, and salt. Set aside.

In the bowl of a stand mixer fitted with a paddle attachment, cream together the butter and peanut butter on medium speed for 2-3 minutes.

Add the sugars and continue beating for 2-3 more minutes until light & fluffy.

Beat in the egg, egg yolk, and vanilla until fully combined.

Add the dry ingredients and mix on low speed until just combined.

Lastly, fold in the oats, m&ms, and chocolate chips with a rubber spatula.

Cover the bowl and place in the fridge for at least one hour or overnight.

Once the dough has chilled, preheat the oven to 350 degrees F (180 degrees C) and line two baking sheets with parchment paper.

Use a 3 tablespoon cookie scoop to portion the cookie dough onto a small parchment lined baking sheet.

Freeze the cookie dough for 15 minutes.

Place the cookie dough on the prepared baking sheets about 2 inches a part, and top with more oats, m&ms, and chocolate chips as desired.

Bake the cookies for about 12 minutes.

Allow cookies to cool completely on the baking sheet and enjoy!

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Tips & Tricks (5)

Brown Butter for Depth 🧈
Brown your unsalted butter before mixing to add a nutty, caramelized flavor that elevates the cookie's complexity beyond standard peanut butter cookies.
Chill Dough for Thickness 🧊
Refrigerate the dough for at least 30 minutes before baking to prevent spreading and achieve that signature thick, chewy texture monster cookies are known for.
Mix Chocolate at the End 🍫
Fold in your chocolate chips and M&Ms as the final step to prevent them from breaking down during mixing, ensuring distinct chocolate pieces throughout each bite.
Underbake Intentionally ⏱️
Remove cookies when edges are set but centers still look slightly underdone—they'll continue cooking on the warm baking sheet and develop that coveted soft, fudgy interior.
Use Vanilla Bean Paste 🌟
Choose vanilla bean paste over extract for visible vanilla specks and superior flavor intensity that complements the peanut butter and balances the sweetness of candies.