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Peanut Butter Oreo Brownies

Peanut Butter Oreo Brownies made from the original creator's recipe — full step-by-step video included.

Prep15 min
Cook30 min
Total45 min
Servesan 8x8 pan

Ingredients

  • 10 tbsp (140g) unsalted butter, melted
  • 1 cup (200g) granulated sugar
  • 1/4 cup (50g) brown sugar
  • 2 large eggs, room temp
  • 1 tsp vanilla extract
  • 1/2 cup + 2 tbsp (56g) unsweetened cocoa powder
  • 1/2 tsp salt
  • 1 tbsp (13g) vegetable oil
  • 1/2 cup (63g) all-purpose flour, spoon & level or weigh (don't pack it in)
  • 1/2 cup peanut butter chips
  • 8-10 reese's peanut butter oreos, roughly chopped
  • + 3-4 more chopped oreos (for topping)
  • Creamy peanut butter (for swirling)

Instructions

  1. Preheat oven to 325°F and grease/line an 8x8 pan with parchment.
  2. In a large bowl, whisk melted butter, granulated sugar, and brown sugar until smooth.
  3. Add eggs and vanilla, then whisk vigorously for 1-2 minutes.
  4. Stir in cocoa powder and salt until fully combined.
  5. Mix in oil, then gently fold in the flour until just combined (don't over mix).
  6. Fold in peanut butter chips and chopped oreos.
  7. Spread batter into the prepared pan.
  8. Gently swirl a little bit of peanut butter on top.
  9. Top with more chopped oreos.
  10. Bake for 30-40 minutes until a toothpick near the center comes out with just a few moist crumbs (no wet batter).
  11. Cool before slicing for clean cuts.
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