Monster Cookies

5 from 4 votes
16 Comments

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We call these Monster Cookies because they are BIG cookies. They are loaded with oats, peanut butter, M&M’s, and, of course, chocolate chips!

Monster Cookies on a Baking Pan

Monster Cookies

These cookies are named “Monster Cookies” for three reasons: 1) this recipe makes a monstrous amount of cookies, 2) the cookies themselves are HUGE, and 3) people are going to start calling you the Cookie Monster because you will NOT be able to stop snacking on these! Monster Cookies are easily my favorite cookies of all time. They have EVERYTHING! Oats, peanut butter, M&M’s and, of course, chocolate chips!

Where Did Monster Cookies Come From?

I took voice lessons in high school and every Christmas my teacher would bake these cookies and hand them out to her students. It was truly the most wonderful time of the year! This recipe is everything you need for holiday baking — its easy, it makes a TON for all your friends and neighbors, and the cookies are SO GOOD!

A Few Baking Tips

Because the monster cookies are bigger, make sure to space them out really well on the cookie sheet so they don’t run into each other while they bake. Of course, if you are looking for a smaller batch, you can half (or even fourth) this recipe and it will still turn out great! Or, you can make up all the dough, freeze it, and bake it later! Just make sure you let it thaw to room temperature before you put it in the oven. My last tip is to make sure you don’t over-bake these. They are best when they are soft! When you are checking them, remember that they will cook a little more as they cool on the pan. Happy Baking!

Other Holiday Cookies to Make with Your Family

If you’re anything like us, the holidays mean lots and lots of baking! We love to make all kinds of treats for our family and friends to enjoy! We hope these other holiday cookie recipes will fill your kitchen not only with amazing aromas, but with memorable moments as well!

How to Make Monster Cookies

Monster Cookies on a Baking Pan

Monster Cookies

5 from 4 votes
We call these Monster Cookies because they are BIG cookies. They are loaded with oats, peanut butter, M&M’s, and, of course, chocolate chips!
Prep Time 15 mins
Cook Time 12 mins
Total Time 27 mins
Course Dessert
Cuisine American, Dutch
Servings 48

Ingredients

Instructions

  • Preheat oven to 350
  • In a large bowl cream the butter, eggs, sugar, and brown sugar.
  • Add peanut butter, vanilla, Karo syrup, baking soda, and oats. Mix until combined.
  • Add chocolate chips and M&M’s. Mix until combined.
  • Add flour. Mix until combined.
  • Scoop onto a greased cookie sheet using a ¼ cup.
  • Bake for 12-15 minutes.

Nutrition Information

Calories: 639kcalCarbohydrates: 82gProtein: 13gFat: 31gSaturated Fat: 13gCholesterol: 64mgSodium: 418mgPotassium: 379mgFiber: 6gSugar: 53gVitamin A: 332IUVitamin C: 1mgCalcium: 73mgIron: 3mg

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About the author

Echo Blickenstaff

Echo lives in Pleasant Grove, Utah with her husband, Todd, who works in advertising, and her four kids: two girls and two boys. She deploys her accounting degree as the blog’s resident problem solver. In her time outside the kitchen, Echo loves to get away from the phones and busy schedules and spend quality time with the family. Anywhere’s great – but getting out into nature in the mountains or on the beach – is the best kind of getaway.

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Comments

  1. 5 stars
    These were delicious though they were a challenge to make with the kids around because they kept stealing all of the m&m’s! Sneaky kiddos!

  2. 5 stars
    Whipped up a batch of these to satisfy my sweet tooth and they did not disappoint! Easily, my new favorite treat; yum!

  3. Will these hold up if baked & frozen ahead of time to be wrapped up later to put in Xmas stockings? I do most of my baking right after Thanksgiving and freeze for a month with perfect results for gift giving.
    Thanks,
    Mary

    1. They should freeze as well as any other cookie. What a great idea to get all that Christmas baking done ahead of time. You are on top of it!

    1. I’m sorry this is being answered so late! If you’ve already made the cookies you know this recipe makes a ton of cookies! It really depends on the size of cookie. If you make the cookies extra large as in the recipe (1/4 cup dough per cookie), it will make about 14 dozen cookies.

  4. Are the measurements correct for the oats? 42 oz is closer to 5 cups not 15. I just want to make sure before I go buy everything.

  5. 5 stars
    Hi,
    I LOVE your recipe.
    Could you give me the recipe for a smaler batch please ? Maybe with 2 or 3 egs, the easier one.
    I am froh germany and to Baker with lbs and cups,…….
    That would be really Kind.

    King regards

    Michaela

    1. We are currently re-doing our recipes so you can easily adjust and change amounts and measurements. Keep checking back and we will have that all fixed up for you soon!

  6. By chance have you ever made these with Stevia or another sugar substitute? Thank you for all the wonderful recipes you share

    1. You are welcome, Carrie. I haven’t tried these cookies with a sugar substitute. Because this recipe makes a huge batch of cookies, I would quarter the recipe when trying a substitute for the sugar. It would be a lot of waste if it didn’t turn out. I have tried Swerve in some of my baking as a sugar substitute and I’ve liked it.

    2. Keep in mind that Stevia doesn’t replace sugar in equal amounts or ratios. I think Splenda can be substituted in equal amounts. It would be nice if the company that makes Stevia would publish some recipes in their ads.

  7. It would be super helpful if the ingredients were ALL listed in cups instead of some being referred to as lbs or oz. i have big cans of brown sugar, oats and peanut butter so I’m not sure how to figure the weight.

    1. Hi Rebecca, I’ve included the cup measurements in the recipe. The pounds and ounces are also listed because you can buy peanut butter, oats, and brown sugar in those sizes of containers. I hope this helps!