chewy oatmeal m&m cookies.

i ❤ oatmeal cookies. the chewy, buttery oats and sweet brown sugar sugar all packed into one perfectly soft cookie? drooooool.

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i made up these last weekend when i had a request to bake some cookies with m&ms. i made my rainbow m&m cookies not too long ago, so i wanted to whip up something a tad different. enter oats. i pretty much made this recipe up as i went along and i must say…… these babies are deeeeeeeeelish. soft, chewy (have i convinced you how chewy these are yet?!?!), buttery, chocolately, mmm-worthy (definitely a word), and full of teeny tiny mini m&ms.

i mean the oats just cancel out the butter, so let’s just consider these a health food and get on the recipe, shall we? 😉


(categorized under cookies)

makes approx 32 cookies

  • 1/2 cup butter, softened to room temp
  • 3/4 cup brown sugar
  • 1/2 cup sugar
  • 1 egg
  • 2 tsp vanilla
  • 1/2 tsp baking soda
  • 1.5 cups whole rolled oats
  • 1 cup all purpose flour
  • 3/4 cup mini m&ms


  1. In a large bowl, beat the softened butter and sugars until smooth and creamy. Add the egg and vanilla and mix well.
  2. Slowly stir in the baking soda, oats, and flour. Mix together until just combined. Do not overmix.  Fold in the mini m&ms.
  3. Chill the dough for at least one hour in the fridge. (cookies will be very flat if the dough is not very cold)
  4. Preheat oven to 325 degrees.
  5. Roll and drop dough by tablespoonfuls onto ungreased baking sheet or silpat.  Bake for 11 minutes and let cool on baking sheet for a minute or two before transferring to a wire rack.

* The cookies will be very soft and may appear undone after only 11 minutes in the oven, but they will firm up.
** Make sure to keep the unused dough in the fridge as each batch is baking. The dough MUST be cold.

ps- i think you’ll enjoy these treats packed with m&ms too 😉

loaded sugar cookie bars

loaded sugar cookie bars

rainbow m&m cookies

rainbow m&m cookies

sweet n salty caramel pretzel m&m blondies

sweet n salty caramel pretzel m&m blondies

and let’s throw a snickers stuffed cookie recipe in here while we’re at it:

snicker bar stuffed chocolate chip cookies

snickers bar stuffed chocolate chip cookies



  1. These cookies look gorgeous! There is nothing like m&ms in warm cookies 😀

    Choc Chip Uru
    Latest: Brown Butter Mixed M&M Chewy Cookies

  2. Look at all those yummy little M&M’s! My stomach is growling!

  3. So glad you found my site and commented so I can stalk yours now, too! 🙂

  4. I have M&Ms just waiting to be baked up in these beauties…yum, yum!!!!

  5. M&M cookies are definitely one of my all-time favorites, but with oatmeal? Divine! These look so delicious, Sally. Great recipe! Thanks for stopping by my blog, too.

  6. these are PERFECT! i love oats, m&m’s and really chewy cookies…YUM

  7. Megan Willet says:

    I got here via foodgawker and pinterest… I just made these and they were SO good! Thanks!

    • Megan, your comment made my day. Thank you so much for checking out my site. So very happy you liked them! Have a wonderful night! 🙂

  8. making these just now! look amazing,.

  9. These look and sound amazing 🙂


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