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Peanut Butter M and M Blondies

These Peanut Butter M and M Blondies make the perfect sweet treat for any occasion!
Course Dessert
Cuisine American
Keyword best blondies recipe, blondie bar recipe, blondie recipe, blondie recipes, blondies, blondies cookies, blondies recipe, m and m cookie recipe, m and m cookies
Prep Time 10 minutes
Cook Time 35 minutes
Servings 12
Calories 319kcal
Author Jenny
Cost 10


  • 4 tablespoons unsalted butter
  • 3/4 cup white chocolate chips
  • 1 cup all purpose flour
  • 1/2 cup granulated sugar
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon kosher salt
  • 2 eggs
  • 1/2 cup creamy peanut butter
  • 1/2 cup white chocolate chips
  • 1/4 cup mini M and M’s
  • 1/4 cup melted chocolate chips to drizzle if desired


  • Preheat oven to 350 degrees and line an 8×8 inch baking dish with parchment paper sprayed with non-stick cooking spray.
  • Place butter into a microwave safe bowl and microwave for 30-45 seconds until butter is melted and hot. Add 3/4 cup white chips and let sit for 1 minute. Stir until smooth, if needed place back in microwave for an additional 15-30 seconds to melt through.
  • Place flour, sugar, baking soda and salt into a large mixing bowl. Stir to combine. Stir in 1/2 cup white chips then add eggs, peanut butter and melted white chocolate. Stir until well combined. Transfer to prepared baking dish, spreading evenly then gently press M and M’s over top. Bake for 30-35 minutes, until cooked through. Let cool completely then drizzle with melted chocolate if desired and cut into squares. Serve warm, room temperature or chilled.


Calories: 319kcal | Carbohydrates: 35g | Protein: 6g | Fat: 18g | Saturated Fat: 9g | Cholesterol: 42mg | Sodium: 225mg | Potassium: 145mg | Fiber: 1g | Sugar: 25g | Vitamin A: 174IU | Calcium: 58mg | Iron: 1mg