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Peanut Butter M&M Blondies

The perfect combination of M&Ms and Peanut Butter make these blondies a perfect dessert! We love to serve them warm with a scoop of ice cream fresh out of the oven.
Prep Time10 mins
Cook Time25 mins
Total Time35 mins
Course: Dessert
Cuisine: American
Keyword: Best Blondies recipe, blondies, peanut butter blondies, Peanut Butter dessert
Servings: 9
Calories: 501kcal


  • ½ cup unsalted butter melted
  • 1 cup light brown sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • ½ cup peanut butter
  • ¼ teaspoon salt
  • 1 cup all-purpose flour
  • cups M&Ms


  • Preheat oven to 350 degrees and line an 8x8 baking dish with parchment paper or aluminum foil and lightly grease with cooking spray. Set aside
  • In a large bowl, combine the melted butter and light brown sugar. Mix thoroughly. Add in the egg and vanilla extract.
  • Mix in the peanut butter and make sure all of the wet ingredients are thoroughly mixed.
  • Add in the salt and flour. Then gently mix in 1 cup of M&M's.
  • Spread the brownie mixer in the baking dish and spread out evenly with a plastic spatula. Sprinkle 1/2 cup of M&M's on top and press into the batter.
  • Bake for 20-25 minutes or until a tooth pick inserted in the middle comes out clean.


Calories: 501kcal | Carbohydrates: 61g | Protein: 8g | Fat: 26g | Saturated Fat: 13g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 6g | Trans Fat: 1g | Cholesterol: 53mg | Sodium: 170mg | Potassium: 152mg | Fiber: 2g | Sugar: 47g | Vitamin A: 423IU | Vitamin C: 1mg | Calcium: 75mg | Iron: 2mg