Are you searching for a dessert that’s quick to prepare, incredibly satisfying, and bursting with flavor? Look no further than these amazing Chocolate Chip M&M Blondies! These delightful cookie bars are effortlessly simple to whip up, packed generously with both classic chocolate chips and colorful M&M’s, making them the ultimate crowd-pleaser for any gathering or a cozy treat for yourself.
If you’re a fan of gooey, chocolatey delights, you’ll also adore our Crumbl Monster Cookie Recipe – loaded with M&M’s, Peanut Butter Chips, and Chocolate Chips, our recipe for M&M’s Chocolate Chip Cookies without Brown Sugar, and even a fun McDonald’s Oreo McFlurry Copycat Recipe!

Discover the Best Chocolate Chip M&M Blondie Recipe Ever!
These M&M Chocolate Chip Blondies are a true gem that deserves a permanent spot in your baking repertoire. Why? Because they come together incredibly fast, simplifying your baking process without sacrificing an ounce of flavor or texture. Unlike traditional cookies that demand individual scooping and rolling, these blondies are baked in a single pan, transforming baking into a breezy, enjoyable experience.
All you need is to prepare the rich, buttery cookie dough, spread it evenly into your baking pan, and let the oven work its magic. The result? A perfectly set, chewy, and utterly delicious bar that’s ready to slice and share!
What Exactly Are Chocolate Chip M&M Blondies?
Often described as a delightful hybrid, blondies sit comfortably somewhere between a classic cookie and a fudgy brownie. Imagine a soft, incredibly chewy bar with the dense, tender texture of a brownie, but without the cocoa powder. Instead of deep chocolate, blondies showcase the rich, caramelized notes of brown sugar and butter, offering a sweet, vanilla-infused base.
Our specific version elevates this beloved treat by generously folding in vibrant M&M’s and decadent chocolate chips. This combination ensures every bite delivers a delightful crunch, a burst of chocolate, and a chewy, buttery finish that’s simply irresistible. They offer a delightful contrast of textures and flavors, making them a standout dessert.

Why You Absolutely Need to Bake These Chocolate Chip M&M Blondies!
There are countless reasons to fall in love with this M&M blondie recipe. Here are just a few compelling ones:
- Unbelievably Easy Dessert: This recipe is perfect for bakers of all skill levels, from beginners to seasoned pros. The straightforward steps and minimal fuss make it an ideal choice when you need a fantastic treat without a lot of effort.
- No Scooping, Just Spreading: Forget the tedious process of shaping individual cookies. With blondies, you simply spread the dough into a pan, bake, and then slice. This saves a tremendous amount of time and effort, making it a go-to for busy days.
- Packed with Flavor and Fun: These blondies are loaded with an abundance of colorful M&M’s and rich chocolate chips. Every bite is an explosion of sweet, chewy goodness that will satisfy even the most intense dessert cravings. The vibrant M&M’s also add a playful visual appeal, making them perfect for parties and celebrations.
- Perfect for Any Occasion: Whether it’s a casual weeknight treat, a bake sale, a holiday gathering, or a potluck, these M&M blondies are always a hit. Their universal appeal ensures they’ll disappear quickly!
- Quick Bake Time: With a relatively short baking duration, you won’t have to wait long to enjoy these warm, gooey bars fresh from the oven.

Essential Ingredients for Perfect Chocolate Chip M&M Blondies
Crafting these delectable blondies requires a few basic ingredients, each playing a crucial role in achieving that perfect chewy texture and rich flavor. Here’s a closer look at what you’ll need:
- Softened Butter: The foundation of any good blondie. Using softened butter is key for proper creaming with sugar, which incorporates air and creates a light, tender crumb. You can use either salted or unsalted butter; if using salted, you might slightly reduce the added salt.
- Brown Sugar: This is the star ingredient that gives blondies their signature chewy texture and deep, caramel-like flavor. Light brown sugar works beautifully, providing a rich sweetness without overpowering other flavors. Its molasses content is what contributes to the moistness and chewiness.
- Egg & Extra Egg Yolk: A large egg provides structure and moisture, while an additional egg yolk is the secret to an extra-rich, fudgy, and incredibly chewy blondie. The extra fat from the yolk enhances the overall indulgence.
- Vanilla Extract: A splash of good quality vanilla extract is essential for amplifying all the other flavors. It adds a warm, aromatic depth that complements the brown sugar and chocolate perfectly. Don’t skip it!
- All-Purpose Flour (AP Flour): The primary dry ingredient that provides structure. AP flour works perfectly for these bars, ensuring they are tender yet firm enough to hold their shape.
- Salt: A pinch of salt is vital in all baking. It balances the sweetness, enhances the chocolate flavors, and brightens the overall taste profile of the blondies.
- M&M’s: You can’t have M&M Blondies without these iconic candy-coated chocolates! Feel free to use classic M&M’s, mini M&M’s, or even seasonal varieties to add a festive touch. They provide a wonderful textural contrast and a burst of color.
- Chocolate Chips: For the best results, use high-quality semi-sweet chocolate chips. They melt beautifully, creating pockets of gooey chocolate throughout the blondies. You can also experiment with milk chocolate, dark chocolate, or even white chocolate chips for different flavor profiles.
Crafting Homemade Chocolate Chip M&M Blondies: A Simple Guide
Follow these easy steps to create your own batch of irresistible M&M blondies. For precise measurements and detailed instructions, refer to the full recipe card below.
- Prepare for Baking: Begin by preheating your oven to 350°F (175°C) and lining an 8×8 inch baking pan with parchment paper, leaving an overhang on the sides for easy removal later.
- Cream Wet Ingredients: In a large mixing bowl, cream together the softened butter and brown sugar until the mixture is light, fluffy, and well combined. This step is crucial for achieving a tender crumb.
- Add Eggs and Vanilla: Beat in the large egg, the extra egg yolk, and the vanilla extract. Continue to whip the mixture for at least 3 minutes; this extended mixing time will help develop that desirable crinkly, shiny top on your baked blondies.
- Incorporate Dry Ingredients: Gently add the all-purpose flour and salt to the wet ingredients. Mix on low speed, or by hand, just until the flour streaks have disappeared. Be careful not to overmix the dough, as overmixing can lead to tough blondies.
- Fold in the Goodies: Carefully fold in the chocolate chips and M&M’s until they are evenly distributed throughout the dough.
- Bake to Perfection: Transfer the blondie mixture into your prepared 8×8 inch baking pan, spreading it evenly. Bake for approximately 20-25 minutes, or until the edges are lightly golden and a toothpick inserted into the center comes out with moist crumbs, not wet batter.
- Cool Completely: This is a crucial step! Allow the blondies to cool down fully in the pan before attempting to slice them. This can take an hour or two, depending on your kitchen’s temperature. Cooling ensures the bars set properly, making them perfectly firm, chewy, and easy to cut into clean squares.




Expert Tips for Baking Flawless Blondies
Achieving bakery-quality blondies at home is easier than you think with these expert tips:
- Room Temperature Ingredients: Ensure your butter and egg are at room temperature. This allows them to emulsify properly, creating a smooth, cohesive batter that bakes evenly and results in a better texture.
- Don’t Overmix the Flour: Once you add the flour, mix just until it’s combined. Overmixing develops the gluten, leading to tough, cake-like blondies instead of soft and chewy ones.
- The Crinkly Top Secret: The trick to that desirable shiny, crinkly top is thoroughly creaming the butter and sugar, followed by whipping in the egg and egg yolk for an extended period (at least 3 minutes). This incorporates air and helps create a stable emulsion.
- Perfect Bake Time: Blondies are often prone to overbaking, which can make them dry. They should look slightly underdone in the center when you pull them out of the oven, as they will continue to cook from residual heat. A toothpick inserted into the center should come out with moist crumbs, not wet batter.
- Cool Completely: Patience is key! Blondies are very delicate when warm. Allowing them to cool completely in the pan allows them to set fully, making them easier to slice and ensuring they maintain their delightful chewy texture.
- Parchment Paper Slings: Always line your baking pan with parchment paper, leaving an overhang on two sides. This creates “slings” that allow you to easily lift the cooled blondie slab out of the pan for clean slicing.
Variations & Substitutions to Customize Your Blondies
This M&M blondie recipe is wonderfully versatile! Feel free to get creative with these delicious variations:
- Nutty Additions: Fold in a half cup of chopped walnuts, pecans, or almonds for an extra layer of crunch and flavor.
- Different Chocolates: Instead of or in addition to chocolate chips, try white chocolate chips, butterscotch chips, or even chopped candy bars.
- Other Candies: Swap M&M’s for other small, candy-coated chocolates, Reese’s Pieces, or chopped up Snickers or Milky Way bars.
- Seasonal Flavors: Add a pinch of cinnamon or nutmeg for a warm, spiced blondie, especially during the fall.
- Citrus Zest: A teaspoon of orange or lemon zest can brighten the flavor and add a subtle tang.
- Swirl it Up: Before baking, dollop spoonfuls of peanut butter or Nutella over the batter and swirl with a knife for a marbled effect.
Frequently Asked Questions (FAQ)
How to Store M&M Blondies?
To keep your M&M blondies fresh and delicious, store them in an airtight container at room temperature for up to 5 days. For longer freshness, you can place them in the refrigerator, where they will last for about a week. Ensure the container is truly airtight to prevent them from drying out.
Can I Freeze Blondies?
Absolutely! Blondies freeze wonderfully. Once they are completely cooled, wrap individual squares tightly in plastic wrap, then place them in an airtight freezer-safe container or bag. They can be frozen for up to 2 months. To enjoy, thaw them in the refrigerator overnight, or pop them in the microwave for a few seconds until warm and soft.
Can I bake these blondies in a glass or ceramic pan?
While metal baking pans are generally preferred for even heat distribution, you can certainly bake these blondies in a glass or ceramic pan. However, these materials retain heat differently, so you may need to adjust your baking time. Typically, add about 3-5 minutes to the bake time and keep a close eye on them to prevent overbaking.
Can I double this recipe?
Yes, you can easily double this recipe! If doubling, transfer the batter to a larger 9×13 inch baking pan. The baking time will also need to be adjusted; expect to bake for approximately 25-30 minutes, or until a toothpick comes out with moist crumbs. Always ensure the center is set before removing from the oven.
What kind of chocolate chips should I use?
For the best flavor and texture, we recommend using high-quality semi-sweet chocolate chips. However, feel free to experiment with milk chocolate, dark chocolate, or even white chocolate chips based on your preference. Mini chocolate chips also work wonderfully for a more even distribution.
Why are my blondies crumbly?
Crumbly blondies are often a sign of overbaking or using too much flour. Ensure you measure your flour accurately (preferably by weight) and follow the recommended baking time, pulling them from the oven when they still look slightly soft in the middle. Proper cooling also helps them set and become less crumbly.

Chocolate Chip M&M Blondies

Chocolate Chip M&M Blondies
Print Recipe
Equipment
Ingredients
- 1/2 cup butter, softened
- 1 cup brown sugar
- 1 large egg
- 1 egg yolk
- 2 tsp vanilla extract
- 1 1/2 cup AP flour
- 1 tsp salt
- 3/4 cup m&m’s (regular or mini, extra for topping if desired)
- 1/2 cup chocolate chips (optional, but highly recommended)
Instructions
-
Preheat your oven to 350°F (175°C) and line an 8×8 inch baking pan with parchment paper, allowing some overhang on the sides.
-
In a large bowl, cream the softened butter and brown sugar together on medium speed until the mixture is light, fluffy, and well combined.1/2 cup butter, 1 cup brown sugar
-
Add the large egg, the extra egg yolk, and the vanilla extract. Whip the mixture for at least 3 minutes; this process is key to achieving a beautiful crinkly top on your blondies.1 large egg, 1 egg yolk, 2 tsp vanilla extract
-
Gently mix in the AP flour and salt until the flour has just disappeared into the batter. Be careful not to over-mix the blondie dough. Once combined, fold in the chocolate chips and M&M’s.1 1/2 cup AP flour, 1 tsp salt, 3/4 cup m&m’s, 1/2 cup chocolate chips
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Spread the blondie mixture evenly into the prepared 8×8 inch baking pan and bake for 20-25 minutes, or until the edges are golden and a toothpick inserted into the center comes out with moist crumbs.
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Once baked, remove the blondies from the oven and allow them to cool down fully in the pan before slicing. This usually takes an hour or two at room temperature. Cooling completely ensures the bars are properly set and makes for easier, cleaner slicing. Cut into 16 equal squares and enjoy!
Notes
- Up to 5 days at room temperature.
- Up to a week in the refrigerator.
- Up to 2 months in the freezer (ensure they are tightly wrapped!).
Nutrition
Carbohydrates: 33g |
Protein: 2g |
Fat: 10g |
Saturated Fat: 6g |
Polyunsaturated Fat: 1g |
Monounsaturated Fat: 2g |
Trans Fat: 1g |
Cholesterol: 42mg |
Sodium: 209mg |
Potassium: 41mg |
Fiber: 1g |
Sugar: 25g |
Vitamin A: 232IU |
Vitamin C: 1mg |
Calcium: 32mg |
Iron: 1mg
Nutrition information is automatically calculated, so should only be used as an approximation.
We hope you thoroughly enjoyed this delightful recipe! If you tried these Chocolate Chip M&M Blondies, please consider leaving a comment below to let us know your thoughts and share your baking experience. Your feedback is truly appreciated!
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