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Classic M&M Cookie Bars

September 17, 2020 by Melissa 13 Comments

M&M Cookie Bars – Packed with colorful M&M’S and mini chocolate chips, these cookie bars are a viral hit and a reader favorite.

M&M Cookie Bars

M&M Cookie Bars

These M&M Cookie Bars are so easy to make and absolutely delicious. Golden brown and delicious, they are packed with colorful M&M’S and mini chocolate chips. I just love the crunch of the M&M’S in this recipe! Make sure to add more M&M’S and mini chocolate chips to the top of the cookie dough before baking for a pretty presentation. No scooping or chilling the dough, these bake up in a snap and are perfect for parties or a crowd. This recipe bakes a full 9×13 pan of cookie bars, I’ve listed 18 as the recipe yield, but you can cut them smaller to serve more if you prefer.

M&M Cookie Bar Dough

How to Make M&M Cookie Bars

  1. Start by mixing the cookie dough. The dough should be fairly thick, so a stand mixer is best, but you can also use a hand mixer.
  2. Beat together two sticks of room temperature butter with brown sugar and granulated sugar.
  3. Add in eggs and vanilla extract and continue mixing until well combined.
  4. Add flour, salt, and baking soda and mix just until cookie dough forms.
  5. Finally, stir in chocolate chips and M&M’S.
  6. Transfer cookie dough to a 9×13 pan lined with foil and sprayed with nonstick cooking spray. This makes the bars easier to lift out and cut after baking.
  7. Sprinkle dough with additional M&M’s and mini chocolate chips.
  8. Bake 30-35 minutes in a 350 degree oven until bars are golden brown.
  9. Let cool completely and cut.

 M&M Cookie Bar before baking

More Cookie Bar Recipes

  • Chocolate Chip Cookie Bars 
  • M&M Christmas Cookie Bars 
  • S’Mores Bars 
  • Cherry Pie Bars

Colorful M&M Cookie Bars

If you make this, I’d love for you to tag me on Instagram at @no2pencilblog 

I’m seriously in love with these M&M’S Cookie Bars! They are so pretty and easy to make and the very best part is they are perfectly delicious! I use seasonal M&M’S to make these cookie bars for the holidays. The Christmas version is the most popular Christmas Cookie on Pinterest!

5 from 8 votes
Print
M&M Cookie Bars
Prep Time
10 mins
Cook Time
30 mins
Total Time
40 mins
 

Packed with colorful M&M'S and mini chocolate chips, these cookie bars are a viral hit and a reader favorite.

Course: Dessert
Cuisine: American
Keyword: Cookie Bars, M&M Cookie Bars
Servings: 18 bars
Calories: 317 kcal
Ingredients
  • 2 sticks butter at room temperature
  • 1 cup granulated sugar
  • 1 cup golden brown sugar firmly packed
  • 3 large eggs
  • 1 1/2 teaspoons pure vanilla extract
  • 3 cups all-purpose flour
  • 3/4 teaspoon baking soda
  • 3/4 teaspoon salt
  • 1 1/2 cups M&M's plus more for topping
  • 1 cup mini chocolate chips plus more for topping
Instructions
  1. Preheat oven to 350 degrees.
  2. Line a 9x13 baking dish with foil, leave some overhang to make removal easier.
  3. Spray foil generously with nonstick cooking spray.
  4. In the bowl of a stand mixer, beat butter, granulated sugar, and brown sugar together until fluffy.
  5. Add in eggs and vanilla extract and continue to beat.
  6. Lower speed of mixer and add flour, baking soda and salt and mix until combined.
  7. Add M&M's and mini chocolate chips and give a final stir, reserving some M&M's and mini chocolate chips for topping cookie bars.
  8. Transfer cookie dough to prepared baking dish.
  9. Press additional M&M'S and chocolate chips into top of cookie dough.
  10. Bake for 30-35 minutes or until bars are a light golden brown and just set in the center.

  11. Let cool completely and cut.
Nutrition Facts
M&M Cookie Bars
Amount Per Serving
Calories 317 Calories from Fat 117
% Daily Value*
Fat 13g20%
Saturated Fat 8g50%
Cholesterol 56mg19%
Sodium 253mg11%
Potassium 52mg1%
Carbohydrates 46g15%
Fiber 1g4%
Sugar 29g32%
Protein 4g8%
Vitamin A 376IU8%
Vitamin C 1mg1%
Calcium 32mg3%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.

 

 

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Filed Under: Baking, Cookies, Recipes

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Reader Interactions

Comments

  1. Cindy Godshall

    March 25, 2017 at 5:31 am

    Can you use the non-stick foil in place of spraying aluminum foil?

    Reply
    • Melissa

      March 26, 2017 at 12:00 pm

      I haven’t tried it, but I imagine that would work just fine! Please let me know if you do!

      Reply
  2. Pat

    June 1, 2017 at 2:17 pm

    Love Them, both! Thank you. Pat

    Reply
  3. Alysha

    September 13, 2017 at 2:40 pm

    I made these for a book club treat and they were AMAZING! Will definitely be making these again.

    Reply
  4. Lori

    August 24, 2019 at 10:20 am

    Made them and they were soooo gooey and seemed undercooked. I even put them back in for 10 mins more. Are they supposed to be gooey? Cookie bars I’ve made in the past have never been this gooey.

    Reply
  5. wilhelmina

    March 20, 2020 at 2:17 pm

    5 stars
    These bars are a favorite! It is so easy to mix them up and have a sweet snack with very little fuss!

    Reply
  6. Krissy Allori

    March 20, 2020 at 2:49 pm

    5 stars
    So good! It was a big hit with my kiddos too. We will be making this again for sure.

    Reply
  7. Jen

    March 21, 2020 at 8:17 am

    5 stars
    I’m going to make these today to go along with our movie watching. So much easier than making cookies and m&m’s are always a winning idea with my kids.

    Reply
  8. Matt Taylor

    March 21, 2020 at 8:18 am

    5 stars
    Those look so yummy! I will have to make it sometime. 🙂

    Reply
  9. Toni Dash

    September 18, 2020 at 10:41 am

    5 stars
    This was a huge hit at my house!! Everyone loved it!

    Reply
  10. Natalie

    September 18, 2020 at 12:54 pm

    5 stars
    My kids absolutely love these better than cookies! They are so soft, full of chocolate, & they can make their square as big as they want!

    Reply
  11. Erin

    September 18, 2020 at 1:26 pm

    5 stars
    A great recipe for so many reasons! We love M&Ms!

    Reply
  12. Kristyn

    September 18, 2020 at 1:46 pm

    5 stars
    We seem to make bars weekly!! They are our favorite go-to. We like to change them up & add all kinds of things!

    Reply

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