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Halloween Oreo Brownie Bars

Halloween Oreo Brownie Bars ready to serve.

These Halloween Oreo Brownie Bars are the perfect spooky treat! Fudgy brownies are layered with Halloween-themed Oreos for a festive and delicious dessert.

Ingredients

Scale
  • 1 box (18.3 ounces) brownie mix (plus ingredients called for on the box)
  • 1/2 cup vegetable oil
  • 1/4 cup water
  • 2 large eggs
  • 1 package (14.3 ounces) Halloween Oreo cookies
  • 1/4 cup Halloween sprinkles (optional)

Instructions

  1. Preheat oven to 350°F (175°C) and grease a 9×13 inch baking pan.
  2. Prepare brownie batter according to package directions using oil, water, and eggs.
  3. Pour half of the brownie batter into the prepared pan.
  4. Arrange Oreo cookies in a single layer over the brownie batter.
  5. Pour the remaining brownie batter over the Oreos, spreading evenly.
  6. Sprinkle with Halloween sprinkles, if desired.
  7. Bake for 25-30 minutes, or until a toothpick inserted into the center comes out with fudgy crumbs.
  8. Let cool completely before cutting into bars.

Notes

For extra flavor, add a teaspoon of vanilla extract to the brownie batter. Serve chilled or at room temperature.