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I’m excited to share these delicious M&M cookie bars with you today! They are perfect for a cookie exchange or holiday party. Cookie bars have to be one of my favorites. I’ve made so many different versions and this one is delicious! I think I finally have perfected it… just in time for the holidays. ;) Enjoy!

Ingredients
- 2 cups all-purpose flour
- 1/2 tsp baking soda
- 1/2 tsp baking powder
- 1 1/2 cube butter (12 TB) softened
- 1 cup sugar
- 1/2 cup brown sugar (packed)
- 2 eggs
- 1 tsp vanilla
- 11 oz bag mini baking M&M’s (save a few to go on top)
Instructions
- 1. Combine flour, baking soda and baking powder in a medium sized bowl and set aside.
- 2. Mix together in a large bowl: sugar, brown sugar, butter, eggs and vanilla. Mix for about 1 minute, or until fluffy. Then slowly add the flour mixture to the wet ingredients.
- 3. Fold in m&m's and then place dough in a 13x9 baking sheet lined with foil. Then place a few M&M's on top.
- 4. Bake at 325 for 20-35 minutes (depending on oven), or until a toothpick comes clean.
- (Optional) For glaze: Combine 1 cup powdered sugar + 1 TB milk and drizzle over cookies once cooled.
http://www.iheartnaptime.net/mm-cookie-bars/
Ingredients
- 2 cups all-purpose flour
- 1/2 tsp baking soda
- 1/2 tsp baking powder
- 1 1/2 cube butter (12 TB) softened
- 1 cup sugar
- 1/2 cup brown sugar (packed)
- 2 eggs
- 1 tsp vanilla
- 11 oz bag mini baking M&M’s (save a few to go on top)
Instructions
- 1. Combine flour, baking soda and baking powder in a medium sized bowl and set aside.
- 2. Mix together in a large bowl: sugar, brown sugar, butter, eggs and vanilla. Mix for about 1 minute, or until fluffy. Then slowly add the flour mixture to the wet ingredients.
- 3. Fold in m&m's and then place dough in a 13x9 baking sheet lined with foil. Then place a few M&M's on top.
- 4. Bake at 325 for 20-35 minutes (depending on oven), or until a toothpick comes clean.
- (Optional) For glaze: Combine 1 cup powdered sugar + 1 TB milk and drizzle over cookies once cooled.
Enjoy!!

For more Christmas ideas make sure to check out this post HERE. I hope you all have a Happy Holidays!
Also don’t miss:
Homeade chocolate peppermint oreos
Chocolate candy cane kiss cookies







Michal
*gasp!* These look DIVINE. I do love a good Christmas cookie :)
Paola Bacci
Una deliziosa ricetta e un bellissimo blog!!! Complimenti, ciao!!!
Jane
The only problem with these is that if I bake them while my boyfriend is there, he will eat them all and not give me a chance to try them haha. These look sooo yummy!
noire
This looks so yummy! Thanks for sharing the recipe. I like how you decorated them as well, very ‘Christmasy’ LOL xx
Loretta | A Finn In The Kitchen
OOhhhh, I love this! It’s the perfect thing to bring to all those holiday parties coming up! I love that there’s just a hint of glaze…
Amy @MoMomma
These look amazing! Please come link up at MoMomma Monday!! Runs all week and starts every Monday!
Ambar
THIS looks sooooo good! cant wait to try it!
Dorothy @ Crazy for Crust
These are super pretty, and well. M&Ms can’t ever be wrong!
Shelly B
I just wanted to leave a little note letting you know that I made these last weekend and they were wonderful! I used a smaller baking dish so my bars turned out about 3 times as thick as the ones in your picture (also lead to a cook time of nearly 40 minutes.) SO SO YUMMY! Thank you.
Mitch
tried these today but it had a very bad aftertaste… unfortunate since they looked so good! Not sure if i did something wrong because I thought I followed the instructions perfectly… I used yellow sugar instead of brown. Could that have been it?
Jamielyn
Yes, try brown sugar next time… it gives them the perfect flavor.
Marcie
I normally love your recipes – your green chile enchiladas are a family favorite, and your orange dream cupcakes are delicious! But I had problems with this recipe, even though I followed the instructions exactly. At 20 minutes of baking time, the inside of the pan was still soupy. I had to bake them another 15 minutes before the toothpick came out clean, and at that point they had browned so much that they weren’t as pretty as yours. They still taste good, but I was disappointed in the appearance since I made them for a bake sale. Normally my oven bakes okay, so I don’t know what the problem was. Just wanted to give others a heads up that they may need to plan for a little extra baking time!
Jamielyn
Oh no! Did you line your pan with foil? That seems to really help evenly cook them. Also make sure your oven is all the way heated before sticking them in. Merry Christmas!
Summer
I just made these about an hour ago. I too had to leave them in the oven for an additional 10 minutes. Overall they were delicious!
Natalie C
Hi! I made these…but, mine were THICK. I used a 9×13 baking pan. Yours look thin. Which is one of the reasons, I tried this recipe. But, maybe next time I’ll use a bigger dish…b/c I would like them thin like your picture!
Natalie C
Also, my baking time ended up being about 15 minutes longer b/c they were so thick! I’ll try a larger pan next time and see! :)
Amy Murphy
making the m&m cookie bars as we speak! smell yummy!
Jamielyn
Yumm!! How did they turn out? I hope you have a happy holidays! xo
Kelsey
Can you freeze these like you would cookies? Would they still be the same after defrosting?
Jamielyn
Yes, these ones freeze up nicely. :)
Lisa K
YUM! I made these last night for a cookie exchange and I think they’re delicious! They’re sure to be a crowd pleaser!
Amy
Cooking time way longer than 20 minutes. I used same size pan, and cookies were thicker…still yummy
Kelly
Hi is this 1 and 1/2 cups butter or one 1/2 cups butter ?
Jamielyn
Hi Kelly! 1 1/2 cups