Welcome to the world of delicious Chewy M&M Cookie Bars! These delightful treats are a perfect combination of chewy cookie goodness and the colorful crunch of M&M candies. Easy to make and even easier to enjoy, these cookie bars are sure to become a family favorite.
Why Make This Recipe
If you’re a fan of classic chocolate chip cookies but looking for a fun twist, Chewy M&M Cookie Bars are the answer! They are simple to prepare, require basic pantry ingredients, and are a great option for gatherings, bake sales, or simply satisfying your sweet tooth.
How to Make Chewy M&M Cookie Bars
Ingredients:
- 2 1/2 cups all-purpose flour
- 1 1/2 teaspoons cornstarch
- 1 teaspoon baking soda
- 1/4 teaspoon baking powder
- 1/2 teaspoon salt
- 1 cup unsalted butter (browned)
- 1 cup brown sugar
- 1/2 cup white granulated sugar
- 2 large eggs
- 2 teaspoons vanilla extract
- 1 1/2 cups mini M&M’s
- 1/2 cup semisweet chocolate chips
Directions:
- Preheat the oven to 350 degrees Fahrenheit and line a 9×11-inch baking dish with parchment paper.
- In a large mixing bowl, sift together the flour, cornstarch, baking powder, baking soda, and salt.
- In another bowl, whisk together slightly cooled browned butter, brown sugar, and white sugar. Add eggs and vanilla, whisk until smooth.
- Fold the wet ingredients into the dry ingredients until a thick cookie dough forms.
- Mix in chocolate chips and mini M&M’s. Scoop the dough into the prepared pan, spreading evenly.
- Bake for 24 minutes until the top crumbles slightly. Press extra M&M’s into the top immediately after removing from the oven.
How to Serve Chewy M&M Cookie Bars
Serve these cookie bars warm or at room temperature. They are perfect for dessert, snack time, or as a lunchbox treat. Pair with a glass of cold milk for a classic combination.
How to Store Chewy M&M Cookie Bars
Store cooled cookie bars in an airtight container at room temperature for up to 5 days. For longer storage, freeze in a freezer-safe container for up to 3 months.
Tips to Make Chewy M&M Cookie Bars
- Brown the butter for a rich, nutty flavor in the cookie bars.
- Do not overmix the dough once the wet and dry ingredients are combined.
- Add extra M&M’s on top for a vibrant and eye-catching presentation.
Variation
For a nutty twist, mix in chopped nuts like pecans or walnuts along with the chocolate chips and M&M’s.

Chewy M&M Cookie Bars
Description
Indulge in the delightful chewiness of these M&M Cookie Bars that are loaded with colorful M&M candies. Easy to bake and even easier to enjoy!Ingredients
Cookie Bars
Directions
Instructions
Preparation
Preheat the oven to 350°F and line a 9x11-inch baking dish with parchment paper.Mixing Dry Ingredients
In a large mixing bowl, sift together flour, cornstarch, baking soda, baking powder, and salt.Combining Wet Ingredients
In another bowl, whisk together browned butter, brown sugar, and white sugar. Add eggs and vanilla, whisk until smooth.Forming Dough
Fold the wet ingredients into the dry ingredients until a thick cookie dough forms. Mix in chocolate chips and mini M&M's.Baking
Scoop the dough into the prepared pan, spread evenly. Bake for 24 minutes until the top crumbles slightly. Press extra M&M's on top.
Nutrition Facts
Servings 12
- Amount Per Serving
- Calories 180kcal
- % Daily Value *
- Total Fat 8g13%
- Saturated Fat 5g25%
- Cholesterol 40mg14%
- Sodium 120mg5%
- Total Carbohydrate 25g9%
- Dietary Fiber 1g4%
- Sugars 16g
- Protein 2g4%
- Calcium 30 mg
- Iron 1.5 mg
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.