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Leigh Anne Wilkes

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Home / Latest Posts / Recipes / Monster Cookies

Monster Cookies

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By: Leigh Anne WilkesPosted: 9/20/19Updated: 6/03/22

This post may contain affiliate links. Please see disclosure policy here.

Monster Cookies on a cooling rack

Monster Cookies are a combination of oats, peanut butter and chocolate chips with M & M’s on top.  There is no flour in this recipe.  You can make them large or small and they are definitely a crowd favorite.

monster cookies on a cooling rack

What is a Monster Cookie?

Monster Cookies are one of those classic cookie recipes, one that I’ve been making for years and years. They are the perfect combination of peanut butter cookies and oatmeal cookies with the bonus of chocolate chips and M & M’s!

When I was the president of the children’s organization at church the children would do a program once a year for the congregation.  I would make these for all the children as a reward for their great job in the program. It became a fun tradition.

Monster cookies with M & M's

Are Monster Cookies gluten free?

Yes! As long as you are using gluten free oats they are gluten free. If you are looking for a flourless cookie this is a great one.  There is a lot of peanut butter in these cookies which helps to bind all the ingredients together.   I used a 1/4 cup scoop so the cookies are pretty big – thus the name Monster Cookie!  You can make them smaller using a regular size cookie scoop.  The kids always liked the big cookies.

stack of monster cookies

How to Make Monster Cookies

  • Preheat oven to 350 degrees F. Line baking sheets with parchment. 
  • In the bowl of a stand mixer with the paddle attachment, cream together the sugar, brown sugar, corn syrup and butter until light and fluffy. 
  • Beat in the eggs, one at a time, and then beat in the peanut butter, vanilla, baking soda and salt until well combined.
  • Add the the oats and mix until combined, then add the chocolate chips.
  • Scoop dough onto the prepared baking sheets, spacing the mounds at least 2 inches apart.  I use a 1/4 cup scoop.
  • Bake the cookies for 12-15 minutes then remove them from the oven.
  • Press M & M’s into the cookies while they are still warm.
  • Allow them to cool for 5 minutes on the baking sheets before transferring them to a rack to cool completely.

Can I Freeze Monster Cookies?

Monster Cookies freeze well.  I love to sneak them out of the freezer, one at a time and enjoy them frozen!  Read my How to Freeze Cookies post for the best way to freeze cookies.

Six Monster cookies on a cooling rack

Monster Cookie Tips

  1.  Peanut Butter – I prefer creamy peanut butter but you can use crunchy too.
  2.  Oatmeal –  Using old fashioned oats will give you a chewier texture to the cookies.
  3.  Room Temperature – Having your ingredients at room temperature will help them to combine better. 
  4. Freeze Well – Monster cookies are freeze really well and are a perfect make ahead cookie.  You can find all my tips for freezing cookies here.

Easy Monster Cookie Recipe

5 from 3 votes

Monster Cookies

Recipe From: Leigh Anne Wilkes
Monster Cookies are a combination of oats, peanut butter and chocolate chips with M & M's on top.  There is no flour in this recipe.  You can make them large or small and they are definitely a crowd favorite
serves: 36 cookies
Prep:15 minutes
Cook:15 minutes
Total:30 minutes
Rate Recipe

Ingredients

  • 1/2 cup butter
  • 1 3/4 cups peanut butter
  • 1 1/3 cups brown sugar
  • 1 cup sugar
  • 1 Tbsp corn syrup
  • 3 eggs
  • 1/2 Tbsp vanilla
  • 1/4 tsp salt
  • 2 tsp baking soda
  • 1/2 cup chocolate chips
  • 4 1/2 cups old fashioned oats
  • 1/2 cup M & M’s

Instructions

  • Preheat oven to 350 degrees F and line baking sheets with parchment paper.
  • n the bowl of a stand mixer fitted with the paddle attachment, cream together the sugar, brown sugar and butter until light and fluffy. 
  • Beat in the eggs and then beat in the peanut butter, vanilla, baking soda and salt until well combined.
  • Add the the oats and mix until combined, then add the chocolate chips.
  • Use a scoop to form cookies. I use a 1/4 cup scoop for nice big cookies.
  • Bake 350 degrees F for 10-15 minutes. Do not over bake.
  • As the cookies come out of oven, press M & M’s into cookies
  • Allow to cool on a baking rack

Tips & Notes:

  1.  Peanut Butter – I prefer creamy peanut butter but you can use crunchy too.
  2.  Oatmeal –  Using old fashioned oats will give you a chewier texture to the cookies.
  3.  Room Temperature – Having your ingredients at room temperature will help them to combine better. 
  4. Freeze Well – Monster cookies are freeze really well and are a perfect make ahead cookie.  You can find all my tips for freezing cookies here.

Recommended Products

Stand Mixer
Measuring Spoons
Muffin Scoop

Nutrition Facts:

Calories: 223kcal (11%) Carbohydrates: 27g (9%) Protein: 5g (10%) Fat: 11g (17%) Saturated Fat: 4g (25%) Cholesterol: 21mg (7%) Sodium: 162mg (7%) Potassium: 134mg (4%) Fiber: 2g (8%) Sugar: 19g (21%) Vitamin A: 111IU (2%) Calcium: 27mg (3%) Iron: 1mg (6%)
* Disclaimer: All nutrition information are estimates only. Read full disclosure here.
Course:Dessert
Cuisine:American
Did you make this?I love seeing what you made. Be sure to share a picture and tag @yourhomebasedmom on social media!
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Monster Cookies on a cooling rack

Recipe originally posted Sept. 1, 2009

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  1. RW says

    Posted on 6/3 at 2:24 pm

    This recipe doesn’t say when to add the corn syrup… Which meant it didn’t get added when creaming butter an sugars 🙁 I assume that’s when to add it?
    Also, the instructions say to add salt, yet salt is not listed in the ingredients??

    Reply
    • Leigh Anne Wilkes says

      Posted on 6/3 at 4:23 pm

      Sorry about that – add the corn syrup in with the sugar and there is 1/4 tsp salt although I’ve made them without the salt too and they work fine.

      Reply
  2. janet says

    Posted on 1/21 at 6:49 pm

    Could you tell me how many cups (approximately) of M & M’s are in 4 ozs. ? Thank you! Looking forward to trying these cookies!

    Reply
  3. Elizabeth says

    Posted on 1/18 at 2:29 pm

    I did not make this but everything I really enjoy is in there.

    Reply
  4. Jamie says

    Posted on 10/26 at 12:54 pm

    Hi! About how many cookies does this make? I am sure it really depends on the size of the cookies but just an idea would be great. Thanks!

    Reply
    • Leigh Anne says

      Posted on 10/29 at 8:31 am

      About 3 dozen average size cookies

      Reply
  5. Heidi Marie Kendall says

    Posted on 11/15 at 12:38 am

    These cookies are just wonderful! I had the opportunity to take dinner to a family in our ward who just had a new baby arrive last Friday and they have a wheat allergy. I was looking everywhere for a baked good to take with dinner that didn’t have flour and remembered this recipe 🙂 I’m so glad and greatful for you and your willingness to share your recipes!

    Reply
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