M&M Cookie Bars and How to Make M&M Cookie Bars

These thick and chewy M&M Cookie Bars are made with basic pantry staples and capture all the chewy deliciousness of regular M&M cookies without needing to scoop or roll the dough!

Oh how I love a delicious cookie bar! If you like these, don’t miss my Oatmeal Chocolate Chip Cookie Bars, Sugar Cookie Bars, and Magic Bars.

M&M Cookie Bars cut into squares on a board with parchment paper.
There’s nothing you wont LOVE about these M&M Cookie Bars but you’ll especially love how easy they are to make! No rolling or chilling the dough or baking several batches–just press everything into a 9×13 pan and bake! They feed a crowd and everyone always raves about them! What’s not to love about super soft, chewy, cookie bars loaded with M&M candies?

How to Make M&M Cookie Bars:
1. Combine dry ingredients: flour, baking powder, baking soda and salt in a medium bowl; set aside.

2. Combine wet ingredients: Add butter, sugar and brown sugar to a large mixing bowl or stand mixer and beat well until creamed together. Add egg and vanilla and mix until combined. Gradually mix in the dry ingredients and mix until combined.

Two process photos for making M&M cookie dough in a mixing bowl.

3. Add chocolate: Stir in chocolate chips and m&m’s.

4. Bake: Press dough into a greased 9×13” pan and bake at 350 degrees F. for 18-25 minutes. Remove from pan and let cool completely. Pull up on the sides of parchment paper to remove bars from the pan and cut into squares.

A pan with M&M Cookie Bars dough, then a photo of the baked bars, cut into squares.

Make Ahead And Freezing Instructions:
To make ahead: The cookie dough can be made 2-3 days ahead of time, stored in the refrigerator.

To freeze: allow baked bars to cool completely after cooking and cut them into squares. Place squares into a freezer safe bag or container and freeze for up to 3 months. Cookie dough can also be frozen for up to 3 months.

Recipes Variations:
Add nuts: chopped walnuts or pecans
Substitute the chips: feel free to add or substitute your favorite “chips”, like peanut butter or white chocolate chips.

Looking for more Cookie and Bar recipes? Try these:
S’more Cookie Bars
Toffee Chocolate Chip Bars
The BEST Mint Brownies
Sugar Cookie Bars
Best Ever Peanut Butter Bars