Table of Contents
- Why You’ll Love These Mint Chocolate Cookie Bars
- Perfect Occasions for Baking
- Tips for the Best Mint M&M Cookie Bars
- Making the Recipe Your Own
- How to Store and Serve
- About Betty Cooks
Key Takeaways
These Mint M&M Chocolate Cookie Bars combine rich chocolate and cool mint in an easy dessert that everyone will adore. Whether you’re baking for a holiday, a party, or just because, this recipe delivers chewy, satisfying bars every time.

Why You’ll Love These Mint Chocolate Cookie Bars
If you’re a fan of mint chocolate bars, this recipe will quickly become a staple in your kitchen. The soft, chewy texture pairs perfectly with the refreshing pop of mint, making these bars impossible to resist. From the first bite, you’ll notice how the combination of smooth chocolate chips and vibrant Mint M&Ms creates a delightful contrast of flavors.

Perfect Occasions for Baking
These cookie bars are ideal for so many occasions. Whip up a batch for birthday celebrations, holiday dessert tables, or as an easy sweet treat after dinner. Since mint chocolate bars never go out of style, you can bake them any time you crave a nostalgic, comforting dessert.

Tips for the Best Mint M&M Cookie Bars
To make sure your mint chocolate bars turn out perfectly, always use room temperature butter for a smoother dough. Press the batter evenly in the pan to ensure uniform baking. For a little extra flair, save some Mint M&Ms to press gently on top before baking.

Making the Recipe Your Own
One of the best parts about this recipe is how easy it is to customize. Swap out the Mint M&Ms for peanut butter or caramel versions to create a different twist. You can even mix in chopped nuts or drizzle melted white chocolate over the cooled bars for an extra decadent touch. No matter how you adapt it, the mint chocolate bars will always shine.
How to Store and Serve
After cooling, store your mint chocolate bars in an airtight container at room temperature for up to four days. For longer storage, freeze them for up to two months. Serve at room temperature or slightly warmed for the best flavor and texture. These bars make an excellent addition to lunchboxes or dessert platters.
About Betty Cooks
This recipe was created by Betty from Betty Cooks, where you’ll find countless sweet recipes, quick desserts, and easy comfort food ideas. Betty believes that baking should be approachable and fun, and these mint chocolate bars prove it!


Mint M&M Chocolate Cookie Bars
Ingredients
- 1/2 cup unsalted butter, softened
- 1/2 cup granulated sugar
- 1/2 cup packed brown sugar
- 1 large egg
- 1 teaspoon vanilla extract
- 1 1/2 cups all-purpose flour
- 1/4 teaspoon baking soda
- 1/4 teaspoon salt
- 1 cup semisweet chocolate chips
- 1 cup mint M&Ms
Instructions
- Preheat oven to 350°F (175°C). Lightly grease a 9×9-inch baking pan or line it with parchment paper.
- In a large bowl, cream together the butter, granulated sugar, and brown sugar until light and fluffy.
- Beat in the egg and vanilla extract until smooth.
- In a separate bowl, whisk together flour, baking soda, and salt.
- Gradually add the dry ingredients to the wet mixture, stirring just until combined.
- Fold in the chocolate chips and most of the mint M&Ms, reserving a handful for topping.
- Press the dough evenly into the prepared baking pan.
- Sprinkle the remaining mint M&Ms over the top and lightly press them into the dough.
- Bake for 20–25 minutes, or until the edges are golden brown and the center is set.
- Cool completely in the pan before cutting into bars.
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