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Festive birthday brownies on a baking sheet.
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5 from 2 votes

Birthday Oreo Blondies

Birthday Oreo blondies are easy to make and really delicious. Rainbow sprinkle-topped, vanilla and almond blondies are a must-try for your next celebration.
Prep Time10 minutes
Cook Time40 minutes
Total Time50 minutes
Course: Bars, Dessert
Cuisine: American
Keyword: brownie, Squares
Servings: 9 blondies

Equipment

Ingredients

For the Blondie Batter:

For the Topping:

Instructions

  • Preheat the oven to 350° F and line an 8-inch or 9-inch square baking pan with parchment paper.

Prepare the Batter:

  • Add 13 Oreos to a food processor and pulse until crumbly but not a fine powder.
  • Whisk the flour, baking powder, cornstarch, Oreo crumbs, and salt together in a medium bowl. Set aside.
  • In the bowl of a stand mixer, beat the melted butter, granulated and brown sugars on high for 2 minutes.
  • Add the whole egg and egg yolk to the butter mixture and beat for 30 seconds. Scrape down the sides and bottom of the bowl.
  • Add the vanilla and almond extracts and mix on low.
  • Add the dry ingredients to the wet ingredients and mix on low, just until combined.
  • Pour the batter into the prepared pan and smooth the top with a spatula to level it out.
  • Take the remaining 4 Oreos and break them into chunks. Press the chunks into the surface of the batter along with the rainbow sprinkles.

Bake the Oreo Birthday Blondies:

  • Bake for 25 to 30 minutes, or until the edges are golden brown and a toothpick inserted into the middle comes out clean.
  • Cool for 5 to 10 minutes, then slice and serve.

Notes

Making Oreo crumbs: Pulse the Oreos in a food processor until crumbly but not too fine. You can also put the cookies in a gallon-size Ziploc bag and break them apart with a mallet or rolling pin.
No over-mixing: Don't overmix when you add the dry ingredients to the wet ingredients, otherwise you might end up with dense blondies.
Check for doneness: When the edges are golden brown, check whether a toothpick inserted into the center comes out clean. If so, your blondies are done.

Nutrition

Calories: 459kcal | Carbohydrates: 63g | Protein: 5g | Fat: 21g | Saturated Fat: 11g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 6g | Trans Fat: 1g | Cholesterol: 80mg | Sodium: 267mg | Potassium: 78mg | Fiber: 1g | Sugar: 36g | Vitamin A: 528IU | Calcium: 50mg | Iron: 2mg

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