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+ servings
ooey gooey cookie bars with oreo and m & m's throughout
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5 from 1 vote

M & M Oreo Cookie Bars

These M & M Oreo Cookie Bars are packed with flavor and come together in no time! Perfect for any occasion, these will satisfy any sweet tooth craving!
Prep Time5 mins
Cook Time22 mins
Course: Dessert
Keyword: chocolate chip cookie bars, cookies, m & m's, oreos
Servings: 9
Calories: 416kcal


  • 1/2 cup butter *melted
  • 1 egg
  • 1 cup brown sugar
  • 1 tablespoon vanilla extract
  • 1 cup flour *all purpose
  • 18 Oreos *crushed
  • 1/2 cup M & M's


  • In a bowl, combine the melted butter, egg, brown sugar, and vanilla.
  • Add in the flour, mixing until just combined.
  • Fold in the crushed Oreo cookies.
  • Grease an 8×8 baking pan.
  • Pour mixture into the pan.
  • Sprinkle the M & M’s over the cookie batter and gently push the M & M’s into the batter.
  • Bake in a preheated oven, 350, for about 22-25 minutes.
  • Remove from oven and allow to cool completely before slicing into desired size pieces!


Recipe adapted from: Averie Cooks


Calories: 416kcal | Carbohydrates: 60g | Protein: 4g | Fat: 18g | Saturated Fat: 10g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 1g | Cholesterol: 47mg | Sodium: 222mg | Potassium: 111mg | Fiber: 1g | Sugar: 41g | Vitamin A: 368IU | Vitamin C: 1mg | Calcium: 47mg | Iron: 3mg
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