Monster Cookies

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Monster Cookies

Folks, I just threw a heckuva party.

Adam Sandler wasn’t kidding when he called Chanukah “eight crazy nights.” And last night, I had all of our relatives (and believe me, there are a ton of them) over for our annual family party. And it was so much fun. But I think I’m going to be recovering for at least a week.

Monster Cookies

For one thing, children were literally pouring out of every floorboard in my house. When did I get so lucky? I have my own brood, and then some super-delightful nieces and nephews, cousins…they’re everywhere. And all but one range in age between 7 and 2. At one point, I actually saw a latke plastered to the ceiling. Kids in college don’t get this wild.

Monster Cookies

There was an awful lot of sugar to keep everyone going, of course. While all the offerings were pretty popular (including my massive tray of Krispy Kreme donuts), these monster cookies really went. How could they not? Their peanut buttery goodness is accented with M & Ms and chocolate chips!

Monster Cookies

These cookies are super buttery. Usually, peanut butter overwhelms every other flavor in a baked good. Not so with these. Like most monster cookies, the dough here contains oats, which gives some great balance to the cookie. It makes for a flaky texture, too. I’m a real sucker for a thick, buttery, flaky cookie.

Monster Cookies

While the addition of oats means you don’t have to chill the dough, I always do. It’s up to you. Your cookies won’t spread. I’m just a creature of habit. Plus, I made this dough before heading to a different party (oh, my glamorous life), so the dough had to wait for me somewhere!

Monster Cookies

Whether or not you have eight crazy nights to celebrate, these cookies are always a welcome addition to your revels. Just be sure to snag one or two before your party starts, because they won’t last. It’s a scientific certainty!


Monster Cookies


1/2 cup butter, softened
1/2 cup light brown sugar, firmly packed
1/4 cup sugar
1/3 cup peanut butter
1 egg
1 teaspoon vanilla
1/2 teaspoon baking soda
1 and 1/4 cups flour
1/2 cup quick oats
1/2 cup M & Ms
1/2 cup milk chocolate chips


  1. Preheat the oven to 350. Line 2 cookie sheets with parchment paper or a silicone baking mat.
  2. In the bowl of a stand mixer, beat the butter with both sugars until smooth and fluffy. Add the peanut butter and mix again. Add the egg and vanilla, beating once more. Mix in the baking soda. Slowly add the flour, mixing until just combined.
  3. By hand, mix in the quick oats, and then fold in the M & Ms and chocolate chips.
  4. If you're worried about your cookies spreading, refrigerate for about an hour. However, these cookies don't tend to spread out.
  5. Roll the dough into balls and place them 2 inches apart on the cookie sheets. Bake for 10 minutes.
  6. Cool completely. Store in an airtight container.


I fulfill many roles in life: wife, mother, teacher, everlasting learner. This site is dedicated to one role that expresses my creativity in ways that I find consistently challenging and rewarding: baker. Inventing new ways to enhance food, especially if that food involves chocolate or peanut butter (or both!), is a passion of mine. I look forward to sharing my ideas with you.

This Post Has 16 Comments

  1. Gayle @ Pumpkin 'N Spice

    Sounds like you had a great party, Mir! And I’m sure the kids and fun, too. I’m loving these monster cookies! I haven’t had these in forever and they look so delicious! I love the oats in here, gives it such a great texture. Yum!
    Gayle @ Pumpkin ‘N Spice recently posted…20+ Holiday Dessert IdeasMy Profile

    1. Mir

      The texture is the best part, Gayle! Though I love the M & Ms, too. And the PB. Hard to resist these guys!

  2. Mira

    I’m glad you had a great holiday party Mir! (Now is time to relax and clean up?)
    I love these monster cookies, great flavor and the M&Ms make them more festive and delicious!
    Mira recently posted…Lemon Blueberry Bundt CakeMy Profile

    1. Mir

      Relax? What’s that? Someday, Mira. Someday!

  3. Stacey @ Bake.Eat.Repeat.

    Yum! Monster cookies are always a hit, but I’ve actually never made them! Need to get on that, I’m sure my kids would love them just as much! Sounds like it was a great party!
    Stacey @ Bake.Eat.Repeat. recently posted…The Best Nanaimo BarsMy Profile

    1. Mir

      Kids love them, Stacey! And it was a good party. I just don’t think I’ve recovered fully. 🙂

  4. Danielle

    Sounds like you had a fun party, Mir! I can see why these cookies went so fast, they look delicious! I love oats in cookies too, these look like the perfect little treat.
    Danielle recently posted…Stove Top Hot ChocolateMy Profile

    1. Mir

      They did go fast. But they’re so easy to make, so I might be doing that tonight, Danielle!

  5. Annie @Maebells

    That is hilarious! Bless your heart! I bet your exhausted!! These cookies look fabulous though!
    Annie @Maebells recently posted…Slow Cooker Peppermint Mocha CocoaMy Profile

    1. Mir

      Thanks so much, Annie! And yes, I’m beat. But that’s the price of partying!

  6. Mary Frances

    Haha true that, kids can put college kids to shame. Especially with little girl squeals, ayeee they can shatter glass. I am such a sucker for monster cookies too! I don’t even try to tell myself “just one” any more. Go big or go home. 🙂
    Mary Frances recently posted…Lemon Streusel Yeasted Coffee Cake MuffinsMy Profile

    1. Mir

      Kids are LOUD. I cannot deal with the decibel level sometimes, Mary Frances! And they can trash a totally clean house in seconds. It’s terrifying!

  7. Manali @ CookWithManali

    I bet you are tired after the party Mir but sounds fun! The cookies look great! Happy Holidays!
    Manali @ CookWithManali recently posted…Brown Butter Snowball CookiesMy Profile

    1. Mir

      You too, Manali! I love those snowball cookies, by the way!

  8. Ashley @ ashleymarieskitchen

    Sounds like one great party, Mir! Those cookies look fantastic 🙂

    1. Mir

      Always a party over here, Ashley. Thanks!

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