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peanut butter brownies

Easy Peanut Butter Brownies Recipe

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Recipe by Rose Atwater

  • Prep Time10
  • Cook Time20
  • Total Time30 minutes
  • Yield9 1x

Description

These easy peanut butter brownies are rich, fudgy, and full of chocolate and peanut butter flavor. Made with brownie mix and a creamy peanut butter swirl, this simple peanut butter brownies recipe is a quick, delicious dessert for any peanut butter fan.

Ingredients

Scale
  • 1 box brownie mix (any brand) - for 8x8 pan
  • 4 tbsp peanut butter
  • 1 egg
  • 2 tbsp water
  • 2 tbsp vegetable oil

Instructions

  1. Heat oven to 325°F. Line an 8×8-inch square pan with parchment paper.
  2. Add the brownie mix, egg, water, and vegetable oil to a large mixing bowl. Mix with a whisk or electric mixer until you have a smooth, wet batter.
  3. Pour the brownie batter into the prepared pan and spread it into an even layer.
  4. Drizzle 4 tablespoons of peanut butter over the brownie batter. I like to add a little extra because it makes the brownies even creamier.
  5. Use a butter knife to gently swirl the peanut butter mixture through the batter. Don’t completely mix it in – you want to be able to see that pretty peanut butter swirl on top.
  6. Bake for 35-40 minutes, or according to your brownie mix directions, until the brownies are set. Use the toothpick test to check them. For fudgy brownies, I like the toothpick to have a few moist crumbs rather than be completely dry.
  7. Place the pan on a wire rack and let the brownies cool before lifting them from the pan and slicing them into squares with a sharp knife.

Notes

  • For best results, don’t overmix the batter and don’t overbake the brownies. Either one can affect that soft, fudgy texture we’re looking for.
  • I also recommend lining your square baking pan with parchment, leaving a little extra hanging over the sides. Once the brownies are cool, you can use the parchment to lift the entire batch from the pan. It’s a good way to get cleaner cuts without digging that first brownie square out of the corner!
  • You don’t have to measure the peanut butter perfectly. Two tablespoons will give you a lighter swirl, while three or four tablespoons create a thicker, creamier layer of peanut butter.

Nutrition

  • Serving Size: 1 brownie
  • Calories: 341
  • Sugar: 30.5 g
  • Sodium: 213.5 mg
  • Fat: 14.5 g
  • Carbohydrates: 48.6 g
  • Fiber: 0.4 g
  • Protein: 5.2 g
  • Cholesterol: 20.7 mg
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