Peppermint Patty Chocolate Chunk Cookie Bars

These Peppermint Patty Chocolate Chunk Cookie Bars are to die for! They’re extremely decadent, chewy, and out of this world delicious!

Peppermint Patty Chocolate Chunk Cookie Bars

Christmas is coming….and fast. I wish I could hit a pause button right now and soak up all of the festivities just a little longer.

I was like a giddy school girl when I cut into these bars last week. The gooey goodness coming out of them should be illegal, lol!

York Peppermint Patty’s are perfectly nestled in between two layers of buttery crisp yet perfectly chewy cookie dough layers for a thick knock out bar.

Run, don’t walk to your kitchen and get baking these monstrous treats. Enjoy!

How to Make These Chocolatey Cookie Bars

Here is your line up of ingredients. Simple right?

Love these patties, especially around Christmas!

You know the drill, let’s start with the butter.

Add the sugar.

Add the egg, vanilla and mix, mix, mix 🙂

Time for the dry ingredients.

Yay for chocolate chunks! Feel free to use regular chocolate chips if you’d rather.

Give her another quick mix and…..

Perfect-o! Now, sample this fabulous dough.

Take half of your dough and press it into the bottom of your prepared 8×8 inch baking pan.

Peppermint Patty time!

Layer the bag over the first layer of dough, then top with your remaining dough.

Press evenly.

Like so, now time to bake! 350 degrees F. for 40 minutes, until golden and baked through.

How pretty is that?

After I pulled the foil away, found this little fabulous corner. Yum!

The trick is, you MUST let these cool completely, which might seem like forever (about an hour). They have to finish setting up in the middle. Trust me, I was impatient 🙂

Image of Peppermint Patty Chocolate Chunk Cookie Bars

Peppermint Patty Chocolate Chunk Cookie Bars

These Peppermint Patty Chocolate Chunk Cookie Bars are to die for! They're extremely decadent, chewy, and out of this world delicious!
Course: Dessert
Cuisine: American
Prep Time 20 mins
Cook Time 40 mins
Total Time 1 hr
Servings: 12 bars
Calories: 501kcal
Author: Jenny
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  • Oven


  • 2 sticks unsalted butter
  • 3/4 cup granulated sugar
  • 3/4 cup packed light brown sugar
  • 2 large eggs
  • 1 1/2 tsp pure vanilla extract
  • 3 cups all purpose flour
  • 1 tsp baking soda
  • 3/4 tsp kosher salt
  • 12 oz bag chocolate chunks
  • 12 oz bag York peppermint patties


  • Place butter and sugars into the bowl of a stand or electric mixer. Beat until creamy and light. Add eggs and vanilla beating until well combined.
  • Place flour, baking soda and salt into a large bowl, mixing to combine then slowly add to wet ingredients. Add chocolate chunks and mix until just combined. 
  • Transfer half of dough into prepared baking pan, pressing evenly. Place unwrapped peppermint patties over first half of cookie dough. Place remaining half of cookie dough over peppermint patties, pressing to flatten dough.
  • Bake for 38-45 minutes or until baked through. Be sure to Let the cookie bars cool completely before cutting into squares. Takes about an hour. Be patient, it is finishing setting up!!
  • Cut cooled bars into squares and serve.


If you would like a thinner bar, use the same recipe plus one more bag of Peppermint Patties and arrange in a 9x13 inch baking dish. Watch baking time after 25-30 minutes in the larger pan. Enjoy!


Calories: 501kcal | Carbohydrates: 88g | Protein: 7g | Fat: 14g | Saturated Fat: 8g | Cholesterol: 30mg | Sodium: 277mg | Potassium: 254mg | Fiber: 4g | Sugar: 54g | Vitamin A: 54IU | Calcium: 41mg | Iron: 4mg
Keywords: chocolate chip cookie bars, chocolate chip cookie bars recipe, chocolate chunk cookies, cookie bars, cookie bars recipe, peppermint chocolate cookie, peppermint cookies


Have a great day and come back soon!

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55 Responses
  1. Deena @ stay at home FOODIE

    I LOVE peppermint patties… These may have to be a last minute edition to my holiday cookie box this year.

  2. Emily

    i made these with my 5 year old daughter and they were amazing! we put them in a 9×13 and they turned out delicious! thanks for a great recipe!

  3. Abercrombie

    I like baked peppermint patty surprise chocolate chunk cookie bars.
    These look SO good…I make some from a Martha Stewart recipe, but these look much healthier!! I’m going to have to try them.Thanks for sharing!

  4. MikeVFMK

    You know how to rock cookies in any form. Really a gift and always love dropping by when I need some baking inspiration. Great as usual, Jenny!

  5. Rachel

    It looks like cookie dough in the middle still… HEAVEN! I will be trying these out for my mom soon, she loves those patties! Nice work!

  6. Catherine Z

    The recipe looked so amazing that I had to try it out. Peppermint and chocolate just screams holiday time for me! Cant wait to try them, they are in the oven now. 🙂 Testing the recipe out for my husbands work Christmas party, I have a feeling they will be a big hit just from the pictures. Thanks so much for posting this!!

  7. kelly@frugalfoodifamily

    Oh heaven. These look amazing! I think I’ll try them as a gift for neighbors. I can see why you’d be impatient with them…delish.

  8. Courtney

    Oh my! I don’t even like peppermint and these are making me drool! I may have to make them!

  9. Made With Pink

    These look amazing! I love any kind of brownie with candy inside – especially peppermint!

  10. Gayle Price

    I had a bunch of peppermint patties left over from making Peppermint Brownie Pops, can’t wait to use them on this recipe!

  11. Sandra

    Sweet Mother of Pearl! How long would I have to be on the treadmill to work off a couple of these I wonder.

  12. Colleen Smith

    These cookies look irresistible! I feel as if everyone should know about it! Would you mind sharing this delicious recipe with our Facebook fans on the U.S. Postal Service Fan Page? Happy Holidays!

  13. Marina {}

    Seriously?! These look so incredibly amazing. I don’t know how you continue to come up with so many fabulous things to stuff inside a cookie!

  14. Tricia

    Jenny – First, these look so yummy! I need to take a treat to a ward party this week so these just might need to make an appearance. But quick question. Is the cookie pretty crunchy from the long bake time? I like mine on the chewier side so I am wondering if I could shorten the cook time a little? What do you think?

    1. Jenny

      Hi Tricia,
      The cookie is buttery crisp on the top, but the inside is nice and chewy. I took mine out at about 35 minutes and they were perfect inside. Just make sure you give them a good hour before cutting into squares 🙂

  15. Mae Lynn Arlinghaus

    That picture with the peppermint oozing out of the corner sold me on this recipe! Thank you!

  16. Deborah

    I have some peppermint patties left from my cookies last week – I totally want to make these now!!

  17. The Mrs @ Success Along the Weigh

    I think the Mr would keel if I messed with a chocolate chip cookie (other than adding M&Ms) but that doesn’t mean I can’t sneak a few patties into about 2-3 for ME! 🙂

    1. Jenny

      Yah, it’s hard sometimes to mess with a perfect cookie 🙂 However, these are worth it 🙂

  18. Averie @ Love Veggies and Yoga

    Tis the season for peppermint and these look perfect, Jenny!

    Love how thick and PACKED with things they are….yum!

  19. Jessi @ Quirky Cookery

    Mmmm, I love that you made them so thick instead of having thinner bars. Oops, I typed brownies there first….freudian slip?…because they make me think they’d be sorta fudgy, chocolatey goodness in that thick of a bar. Yum.

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