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Pumpkin swirl brownies stacked on top of each other.
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5 from 5 votes

Pumpkin Swirl Brownies

These super thick and fudgy Pumpkin Swirl Brownies have been a family favorite with their pumpkin pie-like swirl layer and thick brownie base. They're the perfect fall indulgence.
Prep Time25 mins
Cook Time50 mins
Total Time1 hr 15 mins
Course: Dessert
Cuisine: American
Servings: 12 Brownies
Calories: 414kcal
Author: Aimee Mars


  • 9x9 Baking Pan
  • Mixing Bowls
  • Electric Mixer or Handheld Mixer
  • Rubber Spatula


  • 8 tablespoons Unsalted Butter
  • 6 ounces Bittersweet Chocolate chopped
  • 1 teaspoon Espresso Powder optional
  • 2 cups Flour
  • 1 teaspoons Baking Powder
  • 1/2 teaspoon Salt
  • cup Sugar
  • 4 large Eggs
  • 1 tablespoon Vanilla Extract
  • cup Pumpkin Puree
  • 1/4 cup Vegetable Oil
  • teaspoon Pumpkin Pie Spice


  • Preheat the oven to 350ºF. Line a 9x9 baking dish with foil and lightly coat with cooking spray.
  • Place the butter, chocolate, and espresso powder into a small saucepan and melt over low heat while stirring constantly until smooth and fully melted.
  • In a medium mixing bowl whisk the flour, baking powder, and salt together until well combined.
  • In the bowl of an electric mixer (or using a handheld mixer) beat the sugar, eggs, and vanilla extract together for 3 to 5 minutes, or until fluffy. Add the flour mixture and continue to mix until smooth and well combined.
  • Divide the batter between two medium bowls (about 2 cups in each bowl). Mix the chocolate mixture into the first bowl and set aside. In the second bowl whisk in the pumpkin, oil, and pumpkin pie spice until smooth.
  • Pour half of the chocolate mixture into the prepared baking dish and use a spatula to smooth and spread out. Top with half of the pumpkin mixture and carefully spread it out with a spatula as well. Repeat with the remaining chocolate mixture and pumpkin mixture.
  • Using a butter knife place it into the batter and gently swirl it all around the pan to create a marble effect. Work quickly so the layers don't set.
  • Bake for 40 to 45 minutes and let cool on a wire rack before slicing.


To Make Your Own Pumpkin Pie Spice: Mix the following spices together.
  • 2 teaspoons Cinnamon
  • 1/2 teaspoon Nutmeg
  • 1/2 teaspoon Ground Ginger
  • 1/4 teaspoon Ground Cloves


Serving: 1brownie | Calories: 414kcal | Carbohydrates: 55g | Protein: 5g | Fat: 19g | Saturated Fat: 12g | Cholesterol: 83mg | Sodium: 126mg | Potassium: 215mg | Fiber: 2g | Sugar: 35g | Vitamin A: 4302IU | Vitamin C: 1mg | Calcium: 46mg | Iron: 3mg