Fudgy M&M Brownies

Featured in Sweet Treats and Baked Delights.

Mix wet and dry ingredients separately, combine with M&M's and chocolate chips, bake until edges set but center slightly underdone. Cool before cutting.
Mena
Updated on Fri, 14 Feb 2025 12:15:16 GMT
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A perfect brownie should make you pause after the first bite - that's exactly what happens with these M&M-studded squares of chocolate heaven. After years of testing different brownie recipes in my tiny kitchen, I've found that combining classic fudgy brownies with the nostalgic crunch of M&Ms creates something truly magical. The colorful candies don't just add fun pops of color; they create perfect little pockets of crunch in an otherwise silky-smooth brownie.

My journey with this recipe started during a rainy weekend when my kids wanted to bake something 'fun and chocolatey.' Now it's become our go-to recipe for bake sales, birthday parties, and those moments when only chocolate will do.

Key Components

  • Unsalted Butter: Must be melted and slightly cooled for the perfect fudgy texture
  • Dutch-Process Cocoa: Creates deeper, richer chocolate flavor than regular cocoa powder
  • M&Ms: Both regular and mini sizes ensure perfect candy distribution
  • Cornstarch: The secret ingredient that makes these brownies extra fudgy
  • Eggs: Room temperature eggs create a better emulsion and silkier texture
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Creating Brownie Magic

Perfect Preparation:
Prepare your pan with care, lining with parchment paper and a light coating of baking spray. This step ensures your brownies will release perfectly.
Creating Your Base:
Beat eggs and sugars until they transform into a pale, silky mixture. Like my grandmother always said, 'You can't rush good brownies' - this step creates that perfect crackly top.
Chocolate Integration:
Fold in your melted butter and cocoa mixture gently but thoroughly. The batter should look like liquid silk, glossy and smooth.
M&M Addition:
Sprinkle in both sizes of M&Ms, saving some for the top. Each candy creates a perfect surprise in every bite.

Last summer, I discovered these brownies' ability to make friends when I brought them to a neighborhood cookout. Three recipe requests and two marriage proposals later (kidding!), I knew I had to share this recipe with the world.

The Science of Fudgy

Understanding how ingredients work together makes these brownies special. The extra egg yolks and cornstarch break down gluten formation, creating that perfect fudgy texture that makes you reach for another piece.

Perfect Timing Matters

Watch your brownies carefully as they bake. The edges should look set while the center remains slightly soft. It's better to slightly underbake than overbake - these continue cooking as they cool.

Serving Suggestions

These brownies shine on their own but try them slightly warm with vanilla ice cream. For special occasions, I've been known to drizzle them with warm caramel sauce.

Make It Your Own

Switch up the M&Ms with seasonal colors for holidays, or mix in some Reese's Pieces for a peanut butter twist. Sometimes I add a handful of chopped nuts or a swirl of caramel before baking.

Storage Success

Keep these treasures in an airtight container at room temperature for up to five days. Layer with parchment paper to prevent sticking. They freeze beautifully for up to a month, though they rarely last that long in my house.

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Professional Baker's Secrets

  • Test for doneness a few minutes early - perfect brownies are better slightly underbaked
  • Cool completely before cutting for clean squares
  • Use a warm knife for cleaner cuts, wiping between slices

Through countless batches and chocolate-stained recipe notes, these brownies have become my signature bring-along treat. They've seen birthday parties, comfort crying sessions, and late-night chocolate cravings. Whether you're an experienced baker or just starting out, these brownies prove that sometimes the simplest recipes bring the most joy. Just be warned: once you become known for these brownies, you'll never be allowed to bring anything else to parties again!

Frequently Asked Questions

→ Why leave the center underdone?
It continues cooking as it cools, ensuring fudgy rather than cakey brownies.
→ Can I use all regular M&M's?
Yes, you can use any combination of regular and mini M&M's totaling 1 1/4 cups.
→ Why use room temperature eggs?
Room temperature ingredients blend better and create a smoother batter.
→ How should I store these?
Store in an airtight container at room temperature for up to 5 days.
→ Can I freeze these brownies?
Yes, wrap well and freeze up to 3 months. Thaw at room temperature.

Fudgy M&M Brownies

Rich chocolate brownies packed with regular and mini M&M's. Perfect balance of fudgy texture and candy crunch.

Prep Time
20 Minutes
Cook Time
35 Minutes
Total Time
55 Minutes
By: Mena

Category: Desserts & Baking

Difficulty: Intermediate

Cuisine: American

Yield: 16 Servings (16 slices)

Dietary: Vegetarian

Ingredients

→ Dry Ingredients

01 1 1/2 cups white granulated sugar
02 1/2 cup powdered sugar
03 1 cup all-purpose flour
04 1 cup unsweetened cocoa powder
05 1 tablespoon cornstarch
06 1 teaspoon salt

→ Wet Ingredients

07 3 large eggs, room temperature
08 1 egg yolk, room temperature
09 1/2 cup unsalted butter, melted
10 1/2 cup canola or vegetable oil
11 1 teaspoon pure vanilla extract

→ Mix-ins

12 1/3 cup semi-sweet chocolate chips
13 3/4 cup M&M's
14 1/2 cup mini M&M's

Instructions

Step 01

Preheat oven to 350°F. Line 9x9 inch pan with parchment paper and spray with nonstick spray.

Step 02

Combine flour, cocoa powder, cornstarch, and salt in medium bowl.

Step 03

Beat sugars, eggs, and egg yolk on high speed for 2 minutes.

Step 04

Mix in melted butter, oil, and vanilla until combined. Add dry ingredients and mix on low until just combined.

Step 05

Fold in chocolate chips and both sizes of M&M's with a spatula.

Step 06

Pour into pan, optionally top with extra M&M's. Bake 35-40 minutes until edges are set but middle is slightly underdone.

Step 07

Cool completely on wire rack before cutting into squares.

Notes

  1. Spoon and level flour for best results
  2. For high altitude, add 1 tablespoon extra flour
  3. Use room temperature dairy ingredients

Tools You'll Need

  • 9x9 inch baking pan
  • Electric mixer
  • Parchment paper
  • Rubber spatula
  • Cooling rack

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy (butter, M&M's)
  • Eggs
  • Gluten (flour)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 254
  • Total Fat: 15 g
  • Total Carbohydrate: 34 g
  • Protein: 2 g