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Close-up of gooey Oreo blondie showing cookie pieces and chewy texture

Oreo Blondies

These Oreo Blondies are rich, chewy, and packed with cookies and cream goodness! Made with a buttery brown sugar base and loaded with crushed Oreo cookies, every bite is sweet, fudgy, and full of chocolatey crunch. They come together in one bowl with no mixer required—perfect for when you're craving a quick and irresistible dessert.
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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Course Dessert
Cuisine American, baking
Servings 16 Bars

Equipment

  • 8 inch Square Baking Pan

Ingredients
 
 

  • ¾ cup unsalted butter melted
  • ¾ cups dark brown sugar packed
  • ¼ cup granulated white sugar
  • 1 large egg + egg yolk at room temperature
  • 1 teaspoon pure vanilla extract
  • 1 ½ cups all-purpose flour
  • ½ teaspoon salt
  • 10-12 oreo cookies chopped
  • 1 cup chocolate chips

Instructions
 

  • Preheat oven to 350 F/180C and butter and line with parchment an 8 inch square baking pan.
  • In a large mixing bowl whisk together melted butter and both sugars until the mixture is light and plate.
  • Add the egg, egg yolk and vanilla extract and beat until well combines.
  • Stir in the flour and salt until just combined—do not overmix.
  • Gently fold in chopped Oreos and chocolate chips, reserving a few oreo chunks for the top.
  • Spread the blondie batter evenly in the prepared pan. Optionally press extra Oreo chunks and chocolate chips on top of the blondies.
  • Bake for 22–25 minutes, or until the edges are golden brown and the center is just set and a toothpick inserted in the center comes out with a few moist crumbs.
  • Remove from the blondies from the oven and place on a wire rack. Let the blondies cool completely before cutting into pieces.

Notes

  • Be careful to not overbake the blondies. They might look as though they are undercooked, but they will continue to cook after they are removed from the oven.
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