This Oatmeal M&M Peanut Butter Skillet Cookie is a quick and easy recipe made in one bowl that’s perfect for sharing! It has a layer of peanut butter in the middle and lots of crispy edges. Top it with ice cream for a homemade version of the pizookie!

Clearly…I’m not much of a movie watcher. I get way too distracted to sit and watch a movie for as long as it takes, so I’m more of a TV show and YouTube kind of girl, but I do love watching awards shows! It’s so fun to curl up on the couch and watch the red carpet, admire and judge all the different outfits, and see what inevitable dramatic thing happens.

Ever since I’ve discovered the homemade pizookie with my Salted Caramel Filled Dark Chocolate Chunk Skillet Cookie and the magical deliciousness that was that dish, I’ve been wanting to make another one. Re: Oatmeal M&M Peanut Butter Skillet Cookie is here.

But….why would you want that? This cookie dough is made with a wooden spoon in a small mixing bowl, because this is too small of a cookie to have to use your mixer for. It’s got lots of brown sugar, oats, peanut butter, chocolate chips, and peanut M&Ms.

Add a little ice cream on top, and you’ve got yourself an award winning dessert. Of course, you can also snack on the extra M&Ms while you enjoy the show ;) Enjoy!
Disclosure: This post is sponsored by M&M’S in conjunction with Blog Meets Brand. I received a free sample of the product and was compensated for my time. All opinions are my own.


- ⅓ cup (6 tablespoons) unsalted butter, softened
- ¾ cup light brown sugar
- 1 teaspoon vanilla extract
- ¾ cup creamy peanut butter, divided
- 1 large egg
- ½ cup old-fashioned rolled oats
- ¾ cup all-purpose flour
- ½ teaspoon baking powder
- ½ teaspoon baking soda
- ¼ teaspoon salt
- ½ cup chocolate chips
- ½ cup M&Ms (I used peanut)
- Grease a 6-inch or 8-inch cast iron skillet with butter. Set aside.
- In a large bowl, cream together butter and brown sugar until light and fluffy. Beat in ¼ cup peanut butter and vanilla extract. Whisk in the egg until well blended.
- Stir in the oats, flour, baking powder, baking soda, and salt.
- Fold in chocolate chips and M&Ms. Chill cookie dough, covered, at least 2 hours and up to 3 days.
- Press about ⅓ of the dough into the bottom of prepared skillet (the entire bottom and sides of the skillet should be covered with dough). Fill with ½ cup peanut butter. Top with more dough until the top is completely covered and the peanut butter is sealed inside. Garnish with extra chocolate chips and M&Ms if desired. Cover with foil and refrigerate for at least 30 minutes, or up to 3 days.
- When you’re ready to bake, preheat oven to 350ºF.
- Bake for 25-30 minutes or until golden brown on top. Serve immediately with ice cream.


Hungry for more? Check out some of my similar recipes!
- Salted Caramel Filled Dark Chocolate Chunk Skillet Cookie

- XL Peanut Butter Cookie Dough Cup

- Peanut Butter Oatmeal Chocolate Chip Cookie Sandwiches

- White Chocolate Pretzel Peanut Butter Cookies

- Chocolate Ice Cream with Peanut Butter Cookie Dough &…

- Salted Peanut Butterscotch Oatmeal Cookies

