M+M Peanut Butter Oatmeal Cookies

Chewy M+M Peanut Butter Oatmeal Cookies Recipe l www.a-kitchen-addiction.com

Some days call for a good cookie. Those days that call for cookies might be anything from kids heading off to their first day of school to realizing that you haven’t had a cookie in a couple of months. Yes, that is what I realized the other day. It just didn’t seem right to go longer than 2 1/2 months without eating a cookie.

Chewy M+M Peanut Butter Oatmeal Cookies Recipe l www.a-kitchen-addiction.com

Since I had gone so long without eating a cookie, I didn’t want just any cookie. It had to be a “good” cookie. These M&M peanut butter oatmeal cookies have all of the most important components of a good cookie. They are chewy, full of peanut butter, nutty from the oats, and contain just the right amount of chocolate.

Chewy M+M Peanut Butter Oatmeal Cookies Recipe l www.a-kitchen-addiction.com

Oh, and they are big. Big cookies are so much more fun to eat than little cookies! So, whether you need to send a little something special with your kids for their first day of school or if you just need a good cookie, these M&M peanut butter oatmeal cookies are your perfect go-to option.

5.0 from 2 reviews
Peanut Butter M+M Oatmeal Cookies
Serves: 24
  • ⅓ C butter, softened
  • ¾ C no-stir natural peanut butter
  • ½ C brown sugar
  • ⅓ C sugar
  • 2 eggs
  • 1 tsp vanilla extract
  • ½ C white whole wheat flour
  • ½ C all-purpose flour
  • ½ tsp salt
  • 2 tsp baking soda
  • 3 C quick oats
  • 1 C M&M's
  1. Preheat oven to 350. Line baking sheet with parchment paper or baking mat.
  2. Cream together butter, peanut butter, and sugars. Add eggs and vanilla and beat until creamy.
  3. In a small bowl, whisk together flours, salt, and baking soda. Add to creamed mixture and beat until combined.
  4. Stir in oats and M&M's.
  5. Drop by heaping tablespoon onto prepared baking sheet. If you want large cookies, drop by ¼ cup full.
  6. Bake 7-9 (or 8-10 for large cookies) minutes or until edges just start to turn light golden brown.
  7. Remove baking sheet to wire rack and cool for 3 minutes before removing cookies to a wire rack to cool completely.
  8. Store leftovers in an airtight container.


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  1. Looking scrumptious!

  2. These cookies look too good.. My kids would LOVE these..

  3. Oh yeah! These look awesome! Peanut butter + oatmeal + M7M’s is awesome!

  4. These do look like the perfect cookie Jessica! 2 1/2 months without a cookie??? You better eat half of that batch!

  5. How delicious!

  6. I haven’t had cookies in awhile either, these are my kind of cookie too! Yum!

  7. These cookies look wonderful! I am always looking for a new kind to try–pinning this for late!

  8. 2 1/2 months without having a cookie definitely calls for a good one! These sound awesome – I can never say no to peanut butter and oats : )

  9. My kids would love these in their lunch boxes! So colorful :)

  10. I could eat cookies every day and be a happy gal. These look scrumptious. I’m thinking they need to go in my lunch box.

  11. It has been far too long since I have been without a cookie! I think its about time I change that.

  12. These look like some amazing cookies…bakery=like! I love the oatmeal/pb/m&m combo!

  13. Perfect combo! These sound fabulous!

  14. This is my kind of cookie! M&M’s are my favorite!!

  15. Fact: all days call for good cookies 😉

  16. What a great combo – oat, pb, and chocolate – can’t beat that! And in my opinion you should never go more than 1 month without a cookie!

  17. M&M cookies just make me happy. I think it is the colors but oh how they are fun!

  18. Two months without a cookie??? Say what?? I do think this is a fabulous recipe to re-kickstart the cookie habit!

  19. If we’re being honest here (and why not?!), most days are cookie days for me! And these oatmeal m&m babies look amazing!

  20. I love all of the goodness you packed into these!! Yum!

  21. These cookies remind me of kids smiling and being so happy. :) My kids would adore them.. so would this big kid. :)

  22. Yum! I love m&m’s in cookies! :)

  23. This is pretty much my perfect cookie! I’d so much rather have M&M’s in my cookies than chocolate chips – is that really weird?

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