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Pumpkin Spice Brownies with Pumpkin Buttercream Frosting Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.7 from 10 reviews
  • Author: Lily
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Total Time: 45 minutes
  • Yield: 9 servings
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

These Pumpkin Spice Brownies combine rich, chocolatey goodness with warm autumn spices and a creamy pumpkin frosting for a perfect seasonal treat. Moist and flavorful, they are easy to make and ideal for fall gatherings or simply satisfying your sweet tooth with a twist.


Ingredients

Scale

For the Brownies

  • 1/2 cup granulated sugar
  • 1/4 cup unsalted butter
  • 2 tablespoons whole milk
  • 1 1/2 cups milk chocolate chips
  • 2/3 cup all-purpose flour
  • 1/2 teaspoon pumpkin spice
  • 1/4 teaspoon baking soda
  • 1/2 teaspoon salt
  • 2 large eggs
  • 1 teaspoon vanilla extract

For the Frosting

  • 3/4 cup unsalted butter, softened
  • 3 tablespoons pumpkin puree
  • 2 cups powdered sugar
  • 1 1/2 teaspoons pumpkin pie spice
  • 1 teaspoon vanilla extract
  • A pinch of kosher salt


Instructions

  1. Preheat and Prepare Pan: Preheat your oven to 325 degrees Fahrenheit. Grease or line an 8×8 inch baking dish with parchment paper for easy removal.
  2. Melt Butter and Combine with Sugar and Milk: In a saucepan, combine the granulated sugar, unsalted butter, and whole milk. Heat the mixture until it starts to simmer, then remove from heat.
  3. Add Chocolate Chips: Stir in the milk chocolate chips until fully melted and smooth. Allow this mixture to cool slightly so the eggs won’t cook when added.
  4. Whisk Dry Ingredients: In a separate bowl, whisk together the flour, pumpkin spice, baking soda, and salt. Set aside.
  5. Combine Eggs and Vanilla: Whisk the eggs and vanilla extract into the cooled chocolate mixture until fully incorporated.
  6. Add Dry Ingredients to Batter: Gradually add the dry ingredients into the wet mixture, stirring gently with a spatula until just combined into a smooth batter.
  7. Bake the Brownies: Pour the batter into the prepared baking dish and spread evenly. Bake in the preheated oven for 30 minutes or until a toothpick inserted into the center comes out clean.
  8. Cool Before Frosting: Allow the brownies to cool completely in the pan on a wire rack before applying frosting.
  9. Make the Frosting: In a stand mixer fitted with a whisk attachment, beat the softened butter and pumpkin puree together until smooth and creamy.
  10. Add Spices and Sugar: Mix in the pumpkin pie spice, vanilla extract, and a pinch of kosher salt. Scrape down the sides with a spatula, then gradually add the powdered sugar, blending until a smooth buttercream frosting is formed.
  11. Frost and Serve: Spread the pumpkin frosting evenly over the cooled brownies. Cut into 9 squares and serve.

Notes

  • Use whole milk for richer flavor, but you can substitute with 2% milk if needed.
  • If you prefer a dairy-free option, use vegan butter and dairy-free chocolate chips.
  • To ensure moist brownies, do not over-bake; start checking doneness at 25 minutes.
  • For easier cutting, chill the brownies briefly after frosting.
  • Store brownies in an airtight container at room temperature for up to 3 days or refrigerate for up to a week.

Nutrition

  • Serving Size: 1 brownie
  • Calories: 320 kcal
  • Sugar: 28 g
  • Sodium: 190 mg
  • Fat: 18 g
  • Saturated Fat: 10 g
  • Unsaturated Fat: 6 g
  • Trans Fat: 0.2 g
  • Carbohydrates: 38 g
  • Fiber: 1.5 g
  • Protein: 3 g
  • Cholesterol: 70 mg