Name: Classic M&M Cookie Bars That Will Wow Your Taste Buds
Prep time: 15 min
Cook time: 35 min
Total time: 110 min
Ingredients: 1 cup Unsalted Butter (Room temperature); 1 cup Granulated Sugar; 1/2 cup Brown Sugar (Light or dark); 2 Eggs (Flax eggs for vegan option); 1 teaspoon Pure Vanilla Extract (Or omit if allergic); 2 cups All-Purpose Flour (Gluten-free blend can be used); 1 teaspoon Baking Soda; 1/2 teaspoon Salt (Reduce if using salted butter); 1 cup M&Ms (Can substitute with other candies); 1/2 cup Mini Chocolate Chips (Regular chocolate chips can be used); 1/2 cup Extra M&Ms; 1/2 cup More Mini Chocolate Chips

As the aroma of freshly baked cookie bars wafts through the air, I can feel my heart skip a beat. There’s something undeniably comforting about these Classic M&M Cookie Bars, bursting with colorful M&Ms and mini chocolate chips. The best part? This recipe is incredibly easy to whip up, making it perfect for spontaneous gatherings or satisfying those pesky sweet cravings. With no need to chill or scoop dough, you can have these delightful treats ready to share (or keep for yourself) in no time! So, whether you’re planning a party or just treating yourself, prepare to be amazed at how this simple yet scrumptious dessert can transform any occasion. Curious about how to make cookie perfection? Let’s dive in!

Why are these cookie bars so irresistible?

Ease of Preparation: Making these Classic M&M Cookie Bars is a breeze, with no dough chilling or intricate techniques required. Just mix, pour, and bake!

Bursting with Flavor: Each bar is packed with vibrant M&Ms and mini chocolate chips, offering a delightful contrast of sweetness and crunch that will wow your taste buds.

Versatile Treat: Want to customize? Add your favorite nuts or use seasonal M&Ms for a festive twist! Check out our ideas for Biscoff Cookie Butter or try our delicious Brownie Cheesecake Bars for more inspiration.

Perfect for Any Occasion: Whether at a party, family gathering, or as a late-night snack, these bars are sure to impress your guests and family alike.

Texture You’ll Love: Enjoy a chewy center paired with slightly crispy edges—every bite offers a true cookie experience, unlike any store-bought version.

Classic M&M Cookie Bars Ingredients

• Here’s everything you need to create these delightful treats!

For the Batter

Unsalted Butter – Provides richness and moisture; you can substitute with salted butter if needed, just reduce the added salt.
Granulated Sugar – Adds sweetness and structure; no substitute necessary for this ingredient.
Brown Sugar – Contributes moisture retention and deeper flavor; either light or dark brown sugar works well.
Eggs – Binds the ingredients for structure; use flax eggs as a vegan option if preferred.
Pure Vanilla Extract – Enhances sweetness and flavor; you can substitute with vanilla essence or omit if there’s an allergy concern.
All-Purpose Flour – The foundation for structure; feel free to swap in a gluten-free flour blend if desired.
Baking Soda – This leavening agent helps the bars rise; avoid substituting with baking powder without making other adjustments.
Salt – Balances sweetness and enhances overall flavors; reduce the amount if you’re using salted butter.
M&Ms – The star of the show, providing flavor and color; you can swap these with other candies like chocolate chunks or nuts.
Mini Chocolate Chips – Adds extra chocolaty goodness; regular chocolate chips can be used as an alternative.

For Topping (optional)

Extra M&Ms – Create a beautiful and colorful topping while adding more chocolatey delight to every bite.
More Mini Chocolate Chips – A delightful layer of extra chocolate flavor on top of your cookie bars for that chocoholic satisfaction!

Remember, you’ll want to get these ingredients ready for an unforgettable batch of Classic M&M Cookie Bars that will wow your taste buds!

Step‑by‑Step Instructions for Classic M&M Cookie Bars

Step 1: Preheat and Prepare
Begin by preheating your oven to 350°F (175°C). While the oven heats, grab a 9×13-inch baking dish and line it with aluminum foil. Don’t forget to spray the foil with nonstick cooking spray for easy removal later. This preparation will set the stage for your delicious Classic M&M Cookie Bars.

Step 2: Cream the Butters and Sugars
In a stand mixer, combine the room-temperature unsalted butter, granulated sugar, and brown sugar. Beat on medium speed until the mixture becomes light, fluffy, and pale—this should take about 2-3 minutes. The creamy consistency ensures that your cookie bars will have that melt-in-your-mouth texture.

Step 3: Incorporate Eggs and Vanilla
Next, add in the eggs and pure vanilla extract to the creamed mixture. Beat on medium speed until everything is smoothly combined, scraping the sides of the bowl as needed. This step is crucial for binding the ingredients together and infusing a rich flavor into your Classic M&M Cookie Bars.

Step 4: Mix in Dry Ingredients
Gradually add the all-purpose flour, baking soda, and salt into the mixture. Stir on low speed until just combined; overmixing can lead to tougher bars. The dough will start to come together beautifully, creating the perfect base for your delicious and colorful treats.

Step 5: Fold in the M&Ms and Chocolate Chips
Gently fold in the vibrant M&Ms and mini chocolate chips using a spatula, ensuring even distribution throughout the dough. Save a handful of each for topping to give your Classic M&M Cookie Bars a finished look. This addition not only enhances the flavor but makes for a visually appealing treat!

Step 6: Transfer and Press
Carefully transfer the cookie dough into the prepared baking dish. Use your hands or a spatula to evenly spread and press the dough into the dish, creating a flat and even layer. Sprinkle the reserved M&Ms and chocolate chips on top and press them down slightly for a beautifully decorated finish.

Step 7: Bake to Perfection
Place the baking dish into the preheated oven and bake for 30-35 minutes. You’ll know your Classic M&M Cookie Bars are ready when the edges turn a light golden brown and the center feels set. Resist the urge to open the oven door too soon, as it can disrupt the baking process!

Step 8: Cool and Slice
Once baked, remove the dish from the oven and allow the cookie bars to cool completely in the pan on a wire rack. After cooling for at least an hour, lift the foil out of the dish to slice into bars. Enjoy the sweet aroma and vibrant colors of your freshly made Classic M&M Cookie Bars!

Make Ahead Options

These Classic M&M Cookie Bars are a fantastic option for meal prep, allowing you to enjoy fresh-baked goodness even on your busiest days! You can prepare the dough up to 24 hours in advance; simply mix all the ingredients as directed and store the dough in an airtight container in the refrigerator to maintain its freshness. For even further time-saving, you can bake the bars and let them cool completely, then store them at room temperature for up to 3 days in an airtight container. When you’re ready to serve, simply cut into bars and enjoy the same delightful taste and texture as fresh-baked. This way, you can effortlessly impress family or guests with delicious Classic M&M Cookie Bars anytime!

What to Serve with Classic M&M Cookie Bars

These vibrant, colorful treats are just the beginning of a delightful dessert experience that will linger in your heart long after you’ve indulged.

Vanilla Ice Cream: A scoop of creamy vanilla perfectly contrasts the chewy cookie bars, adding richness and a temperature contrast for every bite.
Coffee or Espresso: The boldness of coffee enhances the sweet flavors, making it an ideal pairing for an afternoon treat or late-night snack.
Fresh Berries: The tartness of strawberries or raspberries balances the sweetness of the cookie bars, adding a refreshing touch. Serve these vibrant fruits alongside for a fun twist!
Chocolate Milkshake: Indulge your chocolate cravings by pairing these bars with a rich, frosty milkshake that takes dessert to another level.
Caramel Sauce: Drizzling a warm caramel sauce over your cookie bars elevates them to gourmet status, creating a decadent experience.
Hot Fudge Sundae: Transform your cookie bars into a sundae by layering with hot fudge, whipped cream, and a cherry on top for a show-stopping dessert.
Nutty Granola: Sprinkle some toasted granola on top of your bars for an unexpected crunch that complements the softness perfectly—ideal for breakfast or snack time!

Classic M&M Cookie Bars Variations

Feel free to mix things up with your Classic M&M Cookie Bars by trying out these delightful twists!

Nutty Crunch: Add chopped walnuts or pecans for a delightful crunch and added texture. The nutty flavor complements the sweet cookies beautifully!
Holiday Cheer: Use seasonal M&Ms like red and green for Christmas or pastel colors for Easter. It’s a fun way to celebrate the seasons with festive treats.
Peanut Butter Bliss: Swap half the butter for peanut butter and add peanut butter M&Ms for a decadent twist on this classic, perfect for anyone who loves that rich flavor.
Spiced Up: Add a teaspoon of cinnamon or nutmeg for a warm spice touch. This twist adds depth and echoes comforting holiday vibes with every bite.
Chocolate Lovers Delight: Replace mini chocolate chips with dark chocolate chunks for a deep, rich flavor. The contrast between bittersweet chocolate and sugar will be a hit!
Fruity Surprise: Incorporate dried fruits like cranberries or cherries along with your M&Ms. This fruity addition brings a delightful tartness that balances sweetness perfectly.
Salted Caramel Drizzle: After baking, drizzle your cookie bars with melted caramel and a sprinkle of sea salt. This indulgent topping creates a melt-in-your-mouth experience with a hint of saltiness.

For even more inspiration, explore ideas in our tasty Brownie Cheesecake Bars or get creative with Gluten Free Cookies if you’re catering to dietary needs. Let your imagination run wild!

How to Store and Freeze Classic M&M Cookie Bars

Room Temperature: Store your cookie bars in an airtight container at room temperature for up to 1 week. This keeps them fresh and chewy, ready for snacking anytime!

Fridge: If you prefer your bars chilled, keep them in the fridge for up to 2 weeks. Just remember to let them come to room temperature before enjoying for the best texture.

Freezer: For longer storage, freeze cookie bars wrapped tightly in plastic wrap and then in aluminum foil for up to 3 months. Thaw in the fridge overnight before serving.

Reheating: To enjoy a warm treat, pop them in the microwave for 10-15 seconds. This brings back that fresh-baked goodness while enhancing the chocolatey flavor of your Classic M&M Cookie Bars.

Expert Tips for Classic M&M Cookie Bars

Room Temperature Butter: Ensure your butter is at room temperature for easy mixing and to achieve that perfect cake-like texture in your cookie bars.
Don’t Overmix: When incorporating the dry ingredients, mix just until combined. Overmixing can lead to tougher bars, so gentle folding is key for classic M&M cookie bars.
Check Doneness Carefully: Look for a light golden brown color rather than relying solely on time; ovens vary, and this ensures you don’t overbake them.
Use an Airtight Container: Store your cookie bars in an airtight container at room temperature to maintain freshness, especially if you won’t finish them all within a week.
Customize for Fun: Don’t hesitate to get creative with toppings! More M&Ms and chocolate chips are great, but nuts or seasonal candies make these bars even more delightful.

Classic M&M Cookie Bars Recipe FAQs

How can I tell if my M&Ms are ripe and fresh?
Absolutely! When choosing M&Ms, look for vibrant colors without dark spots or damage. If they’re too old, they might lose their crunch and color. Additionally, check the expiry date on the package to ensure freshness!

What is the best way to store Classic M&M Cookie Bars?
To keep your cookie bars fresh, store them in an airtight container at room temperature for up to 1 week. This will maintain their chewy texture and delectable sweetness. If you want them to last longer, refrigerating them for up to 2 weeks is an option. Just remember to let them come to room temperature before enjoying!

Can I freeze Classic M&M Cookie Bars?
Absolutely! For longer storage, wrap individual bars tightly in plastic wrap and then in aluminum foil. They can be frozen for up to 3 months. When you’re ready to indulge again, thaw them in the fridge overnight. You can also warm them in the microwave for 10-15 seconds to enjoy that fresh-baked taste!

What should I do if my cookie bars are too dry?
If your Classic M&M Cookie Bars end up too dry, it could be due to overbaking or using too much flour. Always measure your flour properly and avoid opening the oven door too early. For next time, check for doneness by looking for a light golden brown color and a set center, allowing the bars to cool completely before cutting!

Are there any dietary considerations for Classic M&M Cookie Bars?
Great question! If you’re baking for someone with allergies, it’s important to note that the original recipe contains wheat, eggs, and dairy. To make it more inclusive, you can substitute regular eggs with flax eggs for a vegan option, and use a gluten-free flour blend instead of all-purpose flour. Always check your M&M package for allergens, as they’re typically produced in facilities that handle nuts and other common allergens.

Can I customize the toppings on my cookie bars?
Yes, the more the merrier! You can add extra M&Ms or mini chocolate chips on top for an even more indulgent treat. Feel free to get creative with seasonal candies or nuts for a unique twist!