Peanut Butter Cup Monster Cookies

Last week, I spotted some scrumptious looking Peanut Butter Cup Monster Cookies over on Cheeky Kitchen. I knew immediately that I had to make my own version! I love monster cookies and peanut butter cups so it seemed like it would be a match made in heaven. Guess what? It totally is! Sorta reminiscent of the infamous Oreo Stuffed Chocolate Chip Cookie from not too long ago and, dare I say it,  I actually like these even better. They are chewy, which I love, but they also have a nice crispness from the rice cereal. Throw in some chocolate chips and m&m’s…and stuff these babies with peanut butter cup and you’ve got yourself one indulgent treat! I used the egg-shaped peanut butter cups that are in stores right now,  just cut them into thirds.  Regular peanut butter cups cut in half would also work.

In other delicious news, I am guest posting today on the topic of food photography over at Homeschooling Momtographer. Come say hello!!

Peanut Butter Cup Monster Cookies

  • 2 sticks (1/2 pound) butter, softened
  • ½ cup sugar
  • 1-½ cups brown sugar, packed
  • 2 large eggs
  • 1 tbsp. vanilla extract
  • 2 cups flour
  • ½ teaspoon baking soda
  • 1 teaspoon baking powder
  • 2 teaspoons kosher salt
  • 1½ cups oats (quick or regular)
  • ½ cup m & m’s
  • 1 cup chocolate chips
  • 2¼ cups rice cereal*
  • peanut butter cups

Cut peanut butter cups in half (or thirds…see above). Set aside. Cream butter with sugars until fluffy. Add eggs one at a time, beating well after each addition. Add vanilla and beat.

Combine flour, baking soda, baking powder, and kosher salt. Add to mixing bowl and mix till combined. Add in the remaining ingredients, reserving the rice cereal to add last.  Do not overmix!

Use a cookie scoop to scoop balls of dough. Once the dough balls are made you are ready to assemble. Flatten each ball slightly…then take a piece of peanut butter cup and place between two dough balls. Mold the cookie dough around the peanut butter cup until you have it completely covered.** They will be gigantic. Bake at 350 degrees until golden brown, 12-14 minutes, then allow to cool on a rack.

Serve with glasses of cold milk.


* I used this brown rice cereal. It is nice and crisp and I think it totally healthified these;-)

**If the dough seems sticky you can refrigerate it for a bit until it’s easier to handle. If convenient, I would recommend baking only the cookies you plan on eating and refrigerating the remaining dough/pb cup balls. That way you can have fresh cookies for a few days…yum!

Inspired by Cheeky Kitchen and Pioneer Woman


  1. says

    These look so amazing! I have all of the ingredients on-hand minus the chocolate chips which is probably a good thing since I’d just eat half the batch myself.

  2. says

    Hi there – just wanted to say I use your site all the time and I am SO excited to bake these cookies. I am a sucker for any cookie and anything with peanut butter so these look absolutely perfect. Thanks!!

  3. Becky says

    Good to hear from you Alexis…I’m glad you are enjoying the blog. I think you’ll love these cookies!

  4. says

    Yum!! Thanks again for guest posting on my blog today. You did a great job! :) I can’t wait to make these cookies with my kids!!!

    ~Catherine :)

  5. Becky says

    Hi Jackie! I used my medium cookie scoop. I think it holds 1 1/2 tablespoons of dough?

  6. says

    Whoa, these might have one-upped the Oreo-stuffed Cookies! I love, love, love Monster Cookies and peanut butter is always a welcomed addition to anything. Yum!

  7. says

    Yum, monster cookies are the best. Love your little surprise inside too! Thanks for the food photo tips as well, very helpful! I just took a camera class this week and learned all about aperture, shutter speed and ISO, now I need to start messing around with my camera to get better shots!

  8. Jackie says

    Hi Becky

    Did you use the mini -size peanut butter cups or the regular size peanut butter cups in this recipe.

  9. Becky says

    Jackie – I used the egg pb cups that are in stores now. I just cut them into thirds. They worked perfectly!

Leave a Reply

Your email address will not be published. Required fields are marked *