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Loaded M&M’s Oreo Cookie Bars

Chewy, gooey cookie bars loaded with Oreo chunks, colorful M&M’s, and sweetened condensed milk.
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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 16 bars
Course: Dessert, Snack
Cuisine: American
Calories: 280
Ingredients Equipment Method Notes

Ingredients
  

Cookie Dough
  • 2 cups all-purpose flour
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 3/4 cup unsalted butter, melted
  • 1 cup brown sugar, packed
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 2 teaspoons vanilla extract
  • 1 1/2 cups chopped Oreo cookies about 12 cookies
  • 1 cup M&M’s plus extra for topping
  • 14 oz sweetened condensed milk 1 can

Equipment

  • Mixing bowls
  • Baking pan
  • Parchment paper
  • Wooden spoon or spatula

Method
 

  1. Preheat oven to 350°F (175°C). Line a 9x13-inch baking pan with parchment paper.
  2. Whisk flour, baking soda, and salt in a medium bowl.
  3. Mix melted butter, brown sugar, and granulated sugar in a large bowl until smooth.
  4. Beat in eggs one at a time, then add vanilla extract.
  5. Gradually add dry ingredients to wet, mixing until combined.
  6. Fold in chopped Oreos and M&M’s, reserving some for topping.
  7. Spread dough evenly into pan. Drizzle condensed milk over top.
  8. Sprinkle reserved Oreos and M&M’s on top.
  9. Bake 28–32 minutes until golden at edges and set in center.
  10. Cool completely before slicing into bars.

Notes

Bars slice best when completely cooled. Store at room temperature or freeze for longer storage.