M&M's Brownies Recipe

Featured in Sweet Treats from My Kitchen.

Melt butter with chocolate and sugar, mix in eggs and vanilla, fold in dry ingredients, add chocolate chips and M&M's, top with more candies and bake for 38 minutes. The result: super fudgy brownies!
Rehan Magic House Recipes
Updated on Tue, 18 Mar 2025 02:42:05 GMT
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Decadently rich chocolate brownies studded with colorful candy pieces create an irresistible dessert that combines fudgy texture with playful visual appeal. These indulgent treats feature a perfect balance of deep chocolate flavor and sweet candy crunch, with vibrant M&M's scattered throughout the batter and adorning the top for maximum eye catching presentation. The contrast between the intensely chocolatey brownie base and the candy shell coated chocolate pieces creates a multidimensional dessert experience that appeals to chocolate lovers of all ages.

I first created these brownies for my son's birthday party when he requested "something chocolate with lots of colors." The reaction from both children and adults was so enthusiastic that they've become my signature dessert for school functions and neighborhood gatherings. The bright candy pieces peeking through the deep chocolate brownie create a joyful presentation that immediately draws people in before they even take their first bite.

Chocolate Lover's Ingredients

  • Unsalted Butter: Creates the rich foundation that carries flavor throughout these brownies. Melting it fully develops a dense, fudgy texture rather than cakey consistency.
  • Semi Sweet Chocolate Morsels: Provide intense chocolate flavor and contribute to the fudgy texture when melted. The divided approach allows some to remain intact for chocolate pockets throughout.
  • Granulated Sugar: Balances the bitterness of cocoa while creating the signature crackly top. Its fine crystals dissolve evenly for consistent sweetness.
  • Large Eggs: Provide structure and richness while helping create that perfect brownie chew. Room temperature eggs incorporate more effectively into the batter.
  • Vanilla Extract: Enhances chocolate flavor with warm aromatic notes. Pure extract provides cleaner flavor than imitation varieties.
  • Unsweetened Cocoa Powder: Delivers concentrated chocolate flavor without added sweetness. The natural acidity creates perfect rise when combined with baking powder.
  • All Purpose Flour: Provides just enough structure while allowing the brownies to remain dense and fudgy. Minimal mixing prevents gluten development that would toughen brownies.
  • Kosher Salt: Balances sweetness and enhances chocolate flavor significantly. The larger crystal size allows for more precise measurement than table salt.
  • Baking Powder: Provides just enough lift without creating cakey texture. The small amount maintains density while preventing the brownies from being too heavy.
  • M&M's Candies: Create colorful visual appeal and crunchy texture contrast. The candy shell prevents them from melting completely, maintaining distinct pops of color.

Brownie Creation Method

Prepare Your Space:
Preheat your oven and line your baking pan with parchment paper extending up the sides to create handles for easy removal after baking.
Create Chocolate Base:
Melt butter completely in a saucepan over medium low heat, being careful not to let it brown or burn which would affect the flavor.
Develop Flavor:
Remove from heat and immediately add chocolate morsels and sugar, allowing residual heat to melt the chocolate while stirring to combine smoothly.
Build Structure:
Add eggs one at a time, incorporating each fully before adding the next to create proper emulsion that contributes to fudgy texture.
Enhance Flavor:
Mix in vanilla extract to complement the chocolate notes with aromatic depth that rounds out the flavor profile beautifully.
Add Dry Ingredients:
Combine cocoa powder, flour, salt, and baking powder then add to the wet mixture, stirring gently just until no dry streaks remain.
Create Texture Contrast:
Fold in remaining chocolate morsels and half the M&M's with minimal stirring to maintain their distinct pieces throughout the batter.
Prepare For Baking:
Transfer batter to prepared pan, spreading evenly to the corners while maintaining a level surface for even baking.
Add Visual Appeal:
Sprinkle remaining M&M's across the top, pressing them lightly into the batter so they adhere without sinking completely.
Bake With Precision:
Place in preheated oven and bake just until a toothpick inserted comes out with a few moist crumbs rather than completely clean.
Cool Properly:
Allow brownies to cool completely in the pan before lifting out with parchment handles and cutting into squares with a sharp knife.

My personal connection to these brownies began when creating treats for school functions that needed to be nut free but still special. The colorful appearance made them immediately popular with children while the rich chocolate flavor satisfied adults looking for a more sophisticated dessert. They've become known as "happy brownies" in our community because the bright colors peeking through the chocolate seem to bring smiles to everyone who sees them before they even take a bite.

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Temperature Matters Tremendously

The precise baking temperature significantly impacts final texture. At 350°F, the exterior sets properly while the interior remains fudgy rather than undercooked. If your oven runs hot, consider reducing to 340°F to prevent overbaking. The internal temperature of perfectly fudgy brownies should reach approximately 180°F rather than the 200°F typically recommended for cakes. This lower finishing temperature maintains the desirable moist, dense texture that defines exceptional brownies. Additionally, allowing the brownies to cool completely before cutting allows the chocolate to set properly, preventing a gooey mess while preserving the fudgy interior.

Mixing Technique Secrets

Creating perfect brownies requires specific mixing approaches at different stages. When combining the melted butter, chocolate, and sugar, mix thoroughly to ensure complete integration and proper dissolution of sugar crystals. However, once flour is added, switch to a folding technique with a rubber spatula rather than vigorous stirring. This gentle incorporation minimizes gluten development that would create tough, bread like brownies instead of tender, fudgy ones. When adding M&M's, use no more than 3 4 gentle folds to distribute them while maintaining their structural integrity and preventing color bleeding into the batter.

Pan Selection Strategy

The baking vessel significantly impacts brownie texture and baking time. A metal 9 inch square pan conducts heat efficiently for even baking and the proper ratio of edge to center pieces. Glass or ceramic pans retain heat longer, potentially leading to overbaked edges before the center sets. If using glass, reduce oven temperature by 25 degrees and check for doneness a few minutes earlier. The parchment paper lining serves multiple purposes beyond easy removal, including insulating the bottom slightly to prevent burning and providing a non stick surface that preserves the brownies' delicate texture during cutting.

Festive Color Adaptations

Transform these brownies into celebration worthy treats by selecting M&M's colors that coordinate with specific occasions. Use red and green for Christmas, pastels for Easter, red and pink for Valentine's Day, or school colors for graduation parties. For Halloween, incorporate orange and brown M&M's with candy corn pressed into the top after baking. Create patriotic versions with red, white, and blue varieties for summer holidays. The color versatility allows these brownies to become signature treats for any occasion while maintaining the same delicious base recipe.

Creative Serving Suggestions

Elevate these brownies from casual treats to impressive desserts through thoughtful presentation. Serve warm brownies topped with vanilla ice cream and chocolate sauce for a decadent sundae experience. Cut into smaller squares and arrange on a tiered stand interspersed with fresh berries for elegant buffet presentation. Create brownie parfaits by layering cubed brownies with whipped cream and chocolate mousse in clear glasses for visual impact. For children's parties, insert colorful paper straws or celebration flags into each square before arranging on a platter for festive appeal.

Variations Worth Trying

Adapt this versatile base recipe to create exciting flavor combinations while maintaining the colorful visual appeal. Substitute peanut butter M&M's for a nutty variation without actually adding nuts, perfect for those with tree nut allergies. Create mint chocolate brownies by using mint chocolate M&M's and adding a quarter teaspoon of mint extract to the batter. For caramel lovers, press caramel filled M&M's into the top immediately after baking for gooey pockets throughout. Create double stuffed brownies by swirling cream cheese mixture through the batter before adding the M&M's for a cheesecake like element.

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Proper Storage Techniques

Maintain optimal freshness by storing completely cooled brownies in an airtight container at room temperature, where they remain perfect for up to five days. Separate layers with parchment paper to prevent sticking and preserve the appearance of the top M&M's. For longer storage, wrap individual brownies in plastic wrap then place in freezer bags with air removed for up to three months. Thaw frozen brownies still wrapped at room temperature for two hours before serving, or microwave individual squares for 15 20 seconds for a warm, just baked experience. Avoid refrigerating brownies, as this accelerates moisture loss and staling.

These brownies represent the perfect marriage between sophisticated chocolate dessert and whimsical candy treat. What I appreciate most about this recipe is how it brings together elegant chocolate intensity that adults crave with the playful visual appeal children love. The contrast between the serious chocolate flavor and the lighthearted appearance creates a dessert that bridges generations and occasions. Whether served at a child's birthday party or an adult dinner gathering, these brownies consistently delight with their perfect texture and joyful presentation, proving that sometimes the most satisfying desserts combine sophistication with a touch of childhood nostalgia.

Frequently Asked Questions

→ What type of M&M's work best in this brownie recipe?
You can use any variety of M&M's! Regular milk chocolate M&M's are classic, but try peanut butter, caramel, mint, or seasonal varieties to match holidays or special events.
→ Why do I need to cool the brownies completely before cutting?
Cooling allows the brownies to set properly. When cut while warm, they tend to fall apart and be messy. For clean-cut squares, wait until they're completely cool or even chill them in the refrigerator first.
→ Can I double this recipe for a larger batch?
Yes! Double all ingredients and bake in a 9x13 inch pan. You may need to add 5-10 minutes to the baking time, but watch carefully to avoid overbaking.
→ How can I tell when the brownies are done baking?
The edges should be set and slightly pulling away from the sides of the pan. A toothpick inserted 2 inches from the edge should come out with a few moist crumbs (not wet batter). The center will still look slightly underdone.
→ Can I use a different size pan?
Using an 8-inch square pan will result in thicker brownies that need more baking time. A 9x13 inch pan will make thinner brownies that bake faster. Adjust your baking time accordingly.
→ Why are my brownies more cakey than fudgy?
You may have over-mixed the batter, which incorporates air and creates a cakier texture. Mix just until combined, using gentle strokes. Also, avoid overbaking, as this dries out brownies.

Fudgy M&M's Brownies

Rich, fudgy chocolate brownies studded with colorful M&M's candies. An easy recipe that makes thick, decadent brownies perfect for any occasion!

Prep Time
10 Minutes
Cook Time
38 Minutes
Total Time
48 Minutes
By: Reham

Category: Desserts & Sweets

Difficulty: Easy

Cuisine: American

Yield: 9 Servings (9 large brownies)

Dietary: Vegetarian

Ingredients

01 1 cup unsalted butter
02 1 cup semi-sweet chocolate morsels, divided
03 2 cup granulated sugar
04 4 large eggs
05 1 teaspoon vanilla extract
06 ¾ cup unsweetened cocoa powder
07 1 cup all-purpose flour
08 ½ teaspoon kosher salt
09 ½ teaspoon baking powder
10 1 cup M&M's candies, divided

Instructions

Step 01

Preheat oven to 350 degrees F. Line a 9-inch square baking dish with parchment paper. Set aside.

Step 02

In a medium sized saucepan, melt butter over medium heat. Remove from heat and add in 1/2 cup of the semi-sweet chocolate morsels with the sugar. Stir until combined and morsels are melted.

Step 03

Add in eggs, one at a time, stirring after each addition.

Step 04

Add in vanilla extract.

Step 05

Add cocoa powder, flour, salt, and baking powder. Using big strokes, stir JUST until combined and no longer see dry ingredients.

Step 06

Fold in remaining semi-sweet morsels and 1/2 cup of the M&M's candies. Pour batter into the prepared baking dish.

Step 07

Sprinkle the top with the remaining M&M's candies.

Step 08

Bake for 38 minutes. Remove from oven and cool COMPLETELY before cutting.

Notes

  1. Avoid over mixing. Mixing the batter too much or too vigorously will incorporate more air, making the brownies cakey and crumbly.
  2. Line your pan with parchment paper for easy removal and clean up.
  3. Use a plastic knife for easiest cutting. Make sure the brownies are completely cooled, then slice in long smooth motions.
  4. Store brownies in an airtight container at room temperature. Enjoy within 1 week.
  5. Freeze brownies wrapped individually in plastic wrap then in a freezer safe bag for up to 3 months. Thaw on counter or refrigerator.

Tools You'll Need

  • 9-inch square baking dish
  • Parchment paper
  • Medium saucepan
  • Mixing spoon or spatula
  • Measuring cups and spoons
  • Plastic knife (optional, for cutting)

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy (butter, chocolate, M&M's)
  • Contains eggs
  • Contains gluten (flour)
  • May contain peanuts/tree nuts (some M&M varieties)