Easy Monster Cookies

Who doesn’t love easy monster cookies?  I want to meet them just so I can call them cray-cray! These delightful cookies are flourless, filled with M & M’s and have the glorious peanut better taste!

A white plate with two cookies. There is a glass of milk and a wire rack with more cookies in the background

My first memory of these easy monster cookies was when I was at my childhood best friend’s house and her mom made them.

I stood there with my friend Michelle at my side as we both plucked a cookie off the cooling rack.  I took one bite and oh my word!  Explosions in my mouth!  There were so many of my favorite things in this one cookie.

Peanut butter, oats, chocolate chips and M&M’s.

How yummy is a cookie with all of those flavors together?  So yummy, let me tell you.

Now, I’m not sure why they are named monster cookies.  Maybe because of the Sesame Street character, Cookie Monster?  I hope so, because I know he would love them!

Or maybe because the original recipe was so huge that I remember it being mixed in a big stockpot.  In other words, the batch was MONSTER big.

I’m thinking that is the reason for the name, but I guess I’ll never know.

Do you know?  Leave me a comment to school me in why.

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A baking sheet with the m & m cookies on it
Photo Credit: Dishes Delish.

How to make easy monster cookies

I preheat the oven to 350 degrees Fahrenheit.

Brown sugar, butter, eggs and vanilla on a green table

I start by grabbing my trusty stand mixer and plopping some room temperature butter into it along with some brown sugar.

I turn on the mixer and mix it all up.  The mixture will be crumbly.

It won’t be creamy until you put in 2 eggs and vanilla.  Which I do now.

I grab the rest of the ingredients: peanut butter, rolled oats and some baking soda.

Oatmeal in a blue bowl, peanut butter and baking soda on the table

Time to add the baking soda and peanut butter to my mix.

Here’s what it looks like.

Peanut butter mixed with butter and sugar in a stand mixer

No flour here

I add the rolled oats, M&M’s and the chocolate chips.

Let’s look at the M&M’s and chocolate chips.

M & M's and chocolate chips strewn on the table with the bags near them

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Doesn’t that photo make you happy?

I stir it all together with a rubber spatula.

It is a very moist batter, because it doesn’t have any flour in it, so I use a scoop to make the balls of the easy monster cookies on the cookie sheets.

The cookie dough on cookie sheets

I pop one of the sheets with the easy monster cookies into the oven and set my timer for 15 minutes.

Ding

The cookies with M & M's showing still on the cookie sheet cooling

I let the easy monster cookies cool on the cookie sheet for 5 minutes before taking them off and transferring them onto a wire rack.

Yay.  Time to plate some and eat them.

I ask Christopher to help me by dunking an easy monster cookie into some nice cold milk.

And so he does.

A male hand dunking a cookie in the milk with the plate in the foreground and the rack of cookies in the back

I also ask him to take the cookie out of the milk so I can get a better look.

A male hand holding a cookie above a glass of milk

I love how the M&M’s drip color into the milk.  See the pink on top?

I eat that dripping half of easy monster cookie for sustenance, so I could carry on to take the last shot.

Bites taken out of the cookie with M & M's in it on a plate with another cookie, with a glass of milk and rack of cookies in the background

Yum, yum, yum!

I hope you enjoyed this easy monster cookies recipe!

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And as always, may all your dishes be delish.

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The cookies with M & M's showing still on the cookie sheet cooling - square

Easy Monster Cookies

These are seriously addicting cookies! How couldn’t they be with peanut butter and M & M’s and chocolate chips
5 from 3 votes
Print Pin Rate
Course: Dessert
Cuisine: Dessert
Keyword: monster cookies
Prep Time: 5 minutes
Cook Time: 15 minutes
Total Time: 20 minutes
Servings: 33 cookies
Calories: 148kcal

Ingredients

Instructions

  • Preheat oven 350 F
  • Put butter and brown sugar in stand mixer and mix until combined, it will be crumbly
  • Add eggs and vanilla and mix until combined
  • Add baking soda and peanut butter and mix until just combined
  • Add rolled oats, chocolate chips and M & M’s and mix with a rubber spatula
  • Scoop dough on the cookie sheets leaving room between each ball. I don’t put more than 12 cookies on each sheet
  • Bake for 15 minutes or until lightly browned
  • Let cool for 5 minutes before removing from cookie sheet and transferring onto a wire rack
  • Plate a few cookies
  • Grab your milk of choice
  • Gobble some cookies
  • Sigh
  • Smile
  • Enjoy

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Nutrition information is automatically calculated and may vary based on exact ingredients used. For accuracy, consult a registered dietitian or nutritionist.

Nutrition

Serving: 1cookie | Calories: 148kcal | Carbohydrates: 18g | Protein: 3g | Fat: 7g | Saturated Fat: 2g | Cholesterol: 14mg | Sodium: 84mg | Potassium: 77mg | Fiber: 1g | Sugar: 12g | Vitamin A: 75IU | Calcium: 24mg | Iron: 0.6mg
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14 Comments

  1. I’m thinking of making these for an event soon and some of the people there are gluten-free. These don’t have any gluten, do they?

      1. Andy ended up making them and they were Great! I really try not to eat any chocolate because of my issues, but I had to try one and after that I couldn’t help myself and ate quite a few.

        1. Dev! They are oh so good. I usually freeze them because of how many I would eat if they were on the counter, but it doesn’t stop me from going in the freezer over and over. 😉 I’m glad you liked them.

  2. Just found you tonight and I am so glad I did! I LOVE pistachios and cannot wait to make these cookies!!! I am also looking forward to trying the chocolate marshmallow cookies! They look amazing as well! I love your humor and fun sense of style! Keep it up kiddo!!!

5 from 3 votes

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