Peanut Butter M&M Brownies

I needed a bit of color in my life yesterday. Things were boring and I wanted to spice them up.

I did what any sane person would do and dumped a large bag of peanut butter m&ms in my brownies. It was kind of a brilliant idea, if I do say so myself.

I’m usually more of a box mix brownie kind of girl, but I thought I’d be all Susy Homemaker-y and bake my brownies from scratch. I used the same recipe I always use when I feel Susy Homemakery-ish and want delicious, homemade brownies. They are thick, fudgy, and kind of outrageous.

They get even more crazy when you add in the colorful m&ms. You could use plain, peanut, or pretzel m&ms in place of the peanut butter ones, but…um…why would you want to do that? Chocolate and peanut butter, man. It doesn’t get better than that.

I didn’t bake the little girl in this last photo myself, but I did take the photo and since she fits right in with the theme of this blog (super sweet and hard to resist) I had to share:

It’s okay to feel like reaching through your screen to pinch those chubby little cheeks. I’ve been struggling with that myself. (Thank you to her mama for letting me share her sweetness with all of you!)

Apparently it’s PB m&m day today! Check out Shelly’s fab recipe for Peanut Butter M&M Chex Bars. No oven required!

5 from 1 vote

Peanut Butter M&M Brownies

Prep Time
10 mins
Cook Time
30 mins
Total Time
40 mins
Servings: 16 brownies
Calories: 482 kcal

Thick and fudgy brownies sprinkled with m&m candies!


  • 1 cup butter
  • 2 1/4 cups sugar
  • 4 large eggs
  • 1 1/4 cups cocoa powder
  • 1 teaspoon salt
  • 1 teaspoon baking powder
  • 1 teaspoon espresso powder optional
  • 1 tablespoon vanilla extract
  • 1 1/2 cups all-purpose flour
  • 3 cups peanut butter M&Ms


  1. Pre-heat the oven to 350 degrees. Butter a 9×13 baking dish.
  2. In small saucepan over low heat, melt butter completely. Stir in sugar and continue cooking for 1-2 minutes, stirring constantly. Do not allow sugar mixture to boil.
  3. Pour butter mixture into a large bowl or stand mixer, beat in cocoa powder, eggs, salt, baking powder, espresso powder, and vanilla extract. Mix until well combined.
  4. Stir in the flour and M&Ms until well combined.
  5. Pour into prepared pan and bake for about 30 minutes, until a tester comes out mostly clean. The edges should be set and the center should still look slightly moist, but not uncooked. Cool on a wire rack.
Nutrition Facts
Peanut Butter M&M Brownies
Amount Per Serving (1 brownie)
Calories 482 Calories from Fat 198
% Daily Value*
Fat 22g34%
Saturated Fat 13g81%
Cholesterol 77mg26%
Sodium 291mg13%
Potassium 160mg5%
Carbohydrates 67g22%
Fiber 3g13%
Sugar 52g58%
Protein 5g10%
Vitamin A 500IU10%
Vitamin C 0.2mg0%
Calcium 76mg8%
Iron 2.2mg12%
* Percent Daily Values are based on a 2000 calorie diet.

Nutrition Disclaimer: All information presented on this site is intended for informational purposes only. I am not a certified nutritionist and any nutritional information shared on should only be used as a general guideline.