This M&M Cookie Bars recipe is a quick and easy made with chocolatey cookie dough loaded with M&M’s. They are soft and chewy with festive colored candies.
I am so excited to share the best M&M Cookie Bars recipe ever. All you have to do is gather the ingredients and follow the instructions below, and I promise this easy treat will be ready in less than 30 minutes.
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Delicious M&M Cookie Bar Recipe
I am a huge fan of cookie bars, but let me tell you that these M&M Cookie Bars are out of this world!
This recipe is my go-to when preparing something simple yet special for my family. They are AMAZING!
Gooey, fudgy, and loaded with M&Ms, these m&m cookie bars are a delicious treat. Christmas and holidays are great opportunities to make this M&M Cookie Bars recipe.
Why We love This Recipe
- Everyone will surely enjoy a chocolatey treat.
- A delicious treat or dessert.
- Perfect dessert for the holiday season and cookie exchange.
- These buttery cookie bars are an easy dessert for any time of year.
- Easy dessert to prepare in less than 30 minutes.
Ingredients
- Light Brown Sugar. I like to use brown sugar because it gives the bars a rich and sweet flavor that is hard to resist.
- Egg. I always use large eggs in baking.
- Butter. It will give you a rich, buttery flavour and melt-in-your-mouth texture.
- Granulated Sugar. To sweeten the cookie bars.
- Vanilla Extract. It bringing out the flavors of the other ingredients in the mixture.
- Cocoa Powder. I prefer to use unsweetened cocoa powder because it adds a full, rich chocolate flavor and a deep brown color.
- Baking Soda. Baking soda will help producing softer yet thicker M&M's Cookie Bars.
- Cornflour. I use Just 1 tablespoon for a better texture.
- All purpose flour
“See the recipe card for full information on ingredients and quantities.”
Make It Your Way
- Add chocolate chips to make these cookie bars more delicious and
appealing to children! - If the vanilla extract is unavailable, you may skip it.
- If you are making Christmas m&m cookie bars, use red and green m&m.
- Use dark brown sugar instead of light brown sugar for extra flavor.
- Decorate your bars, You can top them with a creamy frosting or sweet glaze.
How to Make M&M Cookie Bars
Before starting, preheat the oven to 180C / 356F and line a 9x9 inch baking pan with parchment paper.
One: In a large mixing bowl, whisk together granulated sugar, brown sugar and melted butter with the electric mixer until the mixture is smooth.
Two: Whisk in the egg and vanilla.
Three: Add in the (dry ingredients) plain flour, cocoa powder, bicarbonate, salt, cornflour and cornflour a handful of M&Ms, mix until combined, and a thick dough is formed.
Four: Now, Press the dough into the bottom of the prepared baking pan and press in the remaining M&Ms into the top.
Five: Bake for 20-25 minutes, then leave the cookie bake to cool for about 10-20 minutes. Cut the bake into small squares and serve.
How To Cut Cookie Bars
There are how to get a nice clean cut to all cookie bars:
- Let the cookie bars cool completely before cutting them into bars.
- Use a good sharp knife; this is very important to get a clean cut.
- Dip the knife into a cup of hot water, then wipe it between cuts.
Success Tips!
- Don't overcook your M&M's Cookie Bars, or else the chewy texture of these bars would not be that evident once eaten.
- Letting the M&M's Cookie Bars cool down at room temperature before cutting them into bar pieces would prevent them from being too crumbly.
- To get thinner bars spread the cookie dough in a 10x10 baking pan.
- It is important to line the baking pan with baking parchment to be able to take the bars easily from the pan.
Favorite Mix-Ins
- Milk chocolate chips
- White chocolate chips
- Peanut butter m&m
- Nuts
Serving Suggestions
The classic way of serving M&M Cookie Bars is pairing it with a glass of milk, so why not follow this classic combo?
I also like to serve them with Thyme Tea or Strawberry Milk Tea (Boba) and sometimes with Melon Ice Cream.
Storing & Freezing
To Store: Keep these bars in an airtight container in the fridge for 2-3 days.
To Freeze: To freeze these delicious cookie bars, wrap them in parchment paper or aluminum foil and place them in a freezer-safe Ziploc bag or container before freezing. Before eating, allow the to come to room temperature first.
Recipe FAQs
Use a toothpick to check the consistency of the batter by inserting it in the center of the pan. The cookies are done when the toothpick inserted into the center of the cookie comes out clean or with a few moist crumbs attached.
Yes, you can make them 2 days ahead of time and store in an airtight container in the fridge.
Easy Cookie And Bar Recipes
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Easy M&M Cookie Bars Recipe
Ingredients
- 115 g Unsalted Butter
- 55 g Granulated Sugar
- 135 g Light Brown sugar
- 1 Egg
- ½ teaspoon Vanilla Extract
- 200 g All purpose flour
- 50 g Cocoa Powder
- 1 teaspoon Baking Soda
- ¼ teaspoon salt
- 1 tablespoon Cornflour
- 300 g M&Ms
Instructions
- Preheat the oven to 180C / 356F and line a 9x9 inch baking pan with parchment paper.
- In a mixing bowl, whisk together granulated sugar, brown sugar and melted butter until the mixture is smooth.55 g Granulated Sugar, 135 g Light Brown sugar, 115 g Unsalted Butter
- Whisk in the egg and vanilla.1 Egg, ½ teaspoon Vanilla Extract
- Add in the plain flour, cocoa powder, bicarbonate, salt, cornflour and cornflour a handful of M&Ms, mix until combined, and a thick dough is formed.200 g All purpose flour, 50 g Cocoa Powder, 1 teaspoon Baking Soda, ¼ teaspoon salt, 1 tablespoon Cornflour, 300 g M&Ms
- Now, Press the dough into the bottom of the baking pan and press in the remaining M&Ms into the top.
- Bake for 18-20 minutes, then leave the cookie bake to cool for about 10-20 minutes. Cut the bake into small squares and serve.
Notes
- Don't overcook, or else the chewy texture of these bars would not be that evident once eaten.
- Letting the bake cool down at room temperature before cutting them into bar pieces would prevent them from being too crumbly.
- To get thinner barsspread the cookie dough in a 10x10 baking pan.
- It is important to line the baking pan with baking parchment to be able to take the bars easily from the pan.
Elena says
These m&m cookie bars are so fudgy, chocolaty and delicious, and because I am the biggest chocolate fan in the world, I liked them.
Olivia says
My son loves these m&m cookie bars so much. Thanks for sharing the recipe!