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    Home » Cookie Recipes

    Oct 28, 2022 by Stephanie Rutherford · This post may contain affiliate links · This blog generates income via ads

    Monster Cookies

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    Pinterest pin for monster cookies

    Chewy monster cookies filled with peanut butter, quick oats, mini chocolate chips, and mini M&Ms. These cookies are so soft in the middle with crisp edges

    Monster cookies on parchment paper.

    These monster cookies are the perfect cookie. Monster cookies combine the good stuff from everyone's favorite type of cookie, oatmeal, chocolate chip, peanut butter, and M&M all together. To make the best monster cookies recipe I made these thick cookies, because I LOVE chewy cookies with a crispy edge.

    For more candy filled desserts try, Chocolate Peanut Butter Cake, Oreo Cheesecake, and Twix Cake.

    Jump to:
    • Why This Recipe Works
    • Ingredient Notes
    • Step By Step Instructions
    • Expert Baking Tips
    • FAQ
    • Storing and Freezing
    • 📖 Recipe

    Why This Recipe Works

    • All Star Cookie- This cookie is an all-star mashup of a chocolate chip cookie, peanut butter cookie, oat cookie, and m&m candies so that every delicious cookie makes it into this family favorite.
    • Easy to make- This great recipe is very simple and quick to make. You can whip these up if you are craving a dessert, or need a school snack, without spending all day baking.
    • Chewy cookies- The best cookie is one with a little bit of crunch on the edge and a big soft middle. This is the best monster cookie recipe because it has that, while keeping every good thing about the classic monster cookie.
    One bite missing from cookie.

    Ingredient Notes

    Here are some notes on the ingredients. For a full list of ingredients, check out the recipe card below.

    • Unsalted butter- Pull this out 2 hours before baking to get it to room temperature.
    • Brown sugar- I used light brown sugar for this, but dark will work as well.
    • Peanut butter- I used regular grocery store peanut butter. Natural peanut butter could affect the texture of the cookies.
    • Eggs- Pull this out 2 hours before baking to get it to room temperature.
    • Quick oats- I used instant oats, but old fashioned oats will work as well if you blitz them in a food processor first.
    • Mini chocolate chips- I recommend semi-sweet chocolate chips as milk chocolate will be sweeter. Regular size will also work, but mini mix with all of the other flavors without overpowering them easier.

    Step By Step Instructions

    Here is how to make and bake these monster cookies. You don't need an electric mixer to make these cookies.

    STEP 1: Dry ingredients. Sift your all purpose flour, baking powder, baking soda, and salt into a medium bowl.

    STEP 2: Wet ingredients. In a large bowl, mix the melted butter, brown sugar, sugar, vanilla extract, and eggs using a whisk.

    STEP 3: Combine ingredients. Add in the dry ingredients and use a rubber spatula to mix it in. Then, add the oats, mini chocolate chips, and mini m&ms.

    Let the dough rest for 10 minutes while the oven preheats.

    Wet ingredients in a bowl.
    Mix ins on top of cookie dough in a glass bowl.

    STEP 4: Scoop. While they chill, preheat the oven to 350°F and place parchment paper on 2 cookie sheets. Then, scoop the chilled dough using an ice cream scoop and scoop 6 balls of dough per sheet.

    Cookie dough in a glass bowl
    Cookie dough balls on a cookie sheet.

    STEP 5: Bake. Bake for 12-14 minutes. Make sure to bake only 1 sheet at a time. Once the edges are lightly golden brown, take them out of the oven.

    STEP 6: Finishing touch. Once they leave the oven, place extra m&m on top of the cookies to flatten them a bit and make them prettier.

    Optional: You can use a large biscuit cutter to "scoot" the cookies into a perfect circle.

    STEP 7: Cool. Let the cookies cool on the baking sheet for 4 minutes, then transfer them to a cooling rack.

    Expert Baking Tips

    • Properly measure your flour- Make sure the flour is spooned and leveled. If you stick the measuring cup directly into the flour, it will compact the flour. Compacted flour can cause the cookies to not spread.
    • If the cookies are spreading, make sure you are using parchment paper on the cookie sheet. If they are still spreading too much this could be the butter was too warm before adding the ingredients. If it still spreads too much, you chill the cookie dough balls for 10-15 minutes.
    • If you live at high altitude, add an extra 2 Tablespoons of flour. This will help with the spread.
    • The cookies should be slightly underdone, because they will continue to cook as they cool. This helps to make sure they have chewy centers.
    Monster cookies on parchment paper with other cookies around it.

    FAQ

    Can I make these into smaller cookies?

    Yes you can. Use a small cookie scoop to scoop 12 cookie dough balls per cookie sheet. Bake for 8-11 minutes.

    Can these cookie dough balls be frozen?

    Yes they can! Store the cookie dough balls in an airtight container or use plastic wrap. Store in the freezer for 30 days. Let the cookie dough balls thaw before baking.

    Can I chill the cookie dough overnight?

    Yes you can. However, I recommend making them into cookie dough balls first before chilling overnight. Wrap them in plastic wrap. Make sure they come to room temperature before baking.

    Storing and Freezing

    Store the monster cookies at room temperature in an air-tight container up to 5 days.

    Freezing

    Freeze the baked cookies in an airtight container, such as a freezer bag, and freeze up to 30 days. Thaw for 1-2 hours before eating.

    1 monster cookie in half.

    Other Cookie Recipes To Try

    • Chocolate Marshmallow Cookies
    • Chewy Pumpkin Snickerdoodle Cookies
    • Pumpkin Pie Cookies
    • Toffee Cookies

    Make sure to leave a STAR REVIEW if you loved this recipe! Make sure to tag me on Instagram @stephaniesweettreats. To get more ideas follow me on Pinterest.

    📖 Recipe

    Monster cookies on parchment paper.

    Monster Cookies

    Chewy monster cookies filled with peanut butter, quick oats, mini chocolate chips, and mini m&m's. These cookies are so soft in the middle with crisp edges
    5 from 15 votes
    Print Recipe Pin Recipe
    Prep Time 15 mins
    Cook Time 13 mins
    Total Time 28 mins
    Course Dessert
    Cuisine American
    Servings 19 Large cookies
    Calories 297 kcal

    Ingredients
     
     

    • 2 ¼ cup All-purpose flour
    • ½ teaspoon Baking soda
    • ½ teaspoon Baking powder
    • 1 teaspoon Salt
    • 1 cup Unsalted butter melted and cooled
    • ¾ cup Brown sugar packed light or dark
    • ¾ cup White granulated sugar
    • ¾ cup Peanut butter creamy
    • 1 teaspoon Pure vanilla extract
    • 2 Large eggs room temperature
    • 1 cup Quick oats
    • 1 cup Mini chocolate chips
    • 1 cup Mini m&m candies

    Instructions
     

    • Sift together the flour, baking powder, baking soda, and salt in a medium bowl and set aside.
      2 ¼ cup All-purpose flour, ½ teaspoon Baking soda, ½ teaspoon Baking powder, 1 teaspoon Salt
    • In a large bowl, mix the melted and cooled butter, brown sugar, sugar, vanilla, peanut butter, and eggs using a whisk.
      1 cup Unsalted butter, ¾ cup Brown sugar, ¾ cup Peanut butter, 1 teaspoon Pure vanilla extract, 2 Large eggs, ¾ cup White granulated sugar
    • Mix in the dry ingredients and use a rubber spatula to mix until combined. Add the oats, mini chocolate chips, and mini M&M'S.
      1 cup Quick oats, 1 cup Mini chocolate chips, 1 cup Mini m&m candies
    • Preheat the oven to 350°F. Line two cookie sheets with parchment paper. Let the cookie dough rest for 10 minutes before scooping.
    • Scoop the cookie dough using a large cookie scoop. Line 6 cookie dough balls per cookie sheet. Bake for 12-14 minutes.
    • Cool for 4 minutes on the hot sheet before transferring to a cooling rack.

    Notes

    Flour- Make sure flour is spooned and leveled or use a kitchen scale. Compacted flour can dry out the cookies and cause them not to spread.
    High altitude baking- Add an extra 2 tablespoon of flour.
    Pull out dairy ingredients 2 hours before baking.

    Nutrition

    Calories: 297kcalCarbohydrates: 32gProtein: 5gFat: 18gSaturated Fat: 9gPolyunsaturated Fat: 2gMonounsaturated Fat: 5gTrans Fat: 0.4gCholesterol: 27mgSodium: 217mgPotassium: 103mgFiber: 2gSugar: 16gVitamin A: 320IUVitamin C: 0.1mgCalcium: 37mgIron: 1mg
    Keyword cookies, m&m cookies, monster cookies, oats cookies, peanut butter cookies
    Tried this recipe?Let us know how it was!

    More Cookie Recipes

    • Top 20 Christmas Cookie Recipes
    • Snowman Cookies
    • Cherry Cookies
    • Chocolate Peppermint Cookies

    About Stephanie Rutherford

    Reader Interactions

    Comments

    1. Melanie says

      January 10, 2023 at 6:19 pm

      I will be making these tomorrow! I can’t wait!! What size cookie scoop do you use?

      Reply
      • Stephanie Rutherford says

        January 11, 2023 at 8:05 am

        i used a 3 TBSP cookie scoop.

        Reply
    2. Carol says

      January 09, 2023 at 9:15 am

      What can I substitute the peanut butter with ( or can it be substituted)?My daughter is allergic to peanuts.

      Reply
      • Stephanie Rutherford says

        January 09, 2023 at 1:20 pm

        You can use almond butter or sunflower butter.

        Reply
    3. Kay says

      November 04, 2021 at 7:44 pm

      5 stars
      This recipe will be my go to recipe for monster cookies. Crisp and chewy. Wonderful!

      Reply
    4. San says

      May 28, 2021 at 1:51 pm

      5 stars
      I made these for a gathering and I'm not joking when I say every single person came up and told me how much they loved them!

      Reply
    5. Eileen R says

      April 03, 2020 at 9:27 am

      These are on my favorites list! SO good!

      Reply
    6. Crystal Garman says

      March 16, 2020 at 9:42 am

      These look fantastic! My kids will love these!

      Reply
      • Stephanie Rutherford says

        March 16, 2020 at 2:30 pm

        They are a perfect cookie for a kid! I hope you enjoy!

        Reply

    Trackbacks

    1. Chocolate Chip Cookie Skillet - Stephanies Sweet Treats says:
      April 12, 2020 at 8:49 pm

      […] Monster cookies […]

      Reply

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