Pumpkin Bars Brown Sugar Frosting

Featured in: Sweet Bites

These moist pumpkin bars combine warmly spiced pumpkin puree with a blend of cinnamon, nutmeg, and cloves, creating a perfect autumn flavor. The soft bars are topped with a rich, creamy brown sugar frosting made from cream cheese, butter, and vanilla, adding a decadent finish. Optional nuts add a pleasant crunch. Baked in a 9x13 pan, they cool before frosting to ensure the creamy topping stays intact. Ideal for sharing at any cozy gathering, these bars balance spice and sweetness beautifully.

Updated on Sun, 23 Nov 2025 15:20:00 GMT
Warm pumpkin bars with rich brown sugar frosting, a decadent autumnal treat picture. Pin
Warm pumpkin bars with rich brown sugar frosting, a decadent autumnal treat picture. | grillandbites.com

Moist, warmly spiced pumpkin bars topped with a decadent brown sugar cream cheese frosting—an irresistibly cozy fall treat perfect for any gathering.

This recipe quickly became a favorite in my household, especially during chilly autumn evenings.

Ingredients

  • For the Pumpkin Bars: 1 1/2 cups all-purpose flour, 1 teaspoon baking soda, 1 teaspoon ground cinnamon, 1/2 teaspoon ground nutmeg, 1/4 teaspoon ground cloves, 1/2 teaspoon salt, 1 1/2 cups granulated sugar, 1/2 cup vegetable oil, 2 large eggs, 1 (15-ounce) can pumpkin puree (not pumpkin pie filling), 1/2 cup chopped walnuts or pecans (optional)
  • For the Brown Sugar Frosting: 8 tablespoons (1 stick) unsalted butter softened, 4 ounces cream cheese softened, 3 cups powdered sugar, 1/2 cup packed light brown sugar, 1 teaspoon vanilla extract, 2–4 tablespoons milk or cream

Instructions

Preheat oven:
Preheat oven to 350°F (175°C). Grease and flour a 9×13-inch baking pan.
Mix dry ingredients:
In a large bowl, whisk together the flour, baking soda, cinnamon, nutmeg, cloves, and salt.
Mix wet ingredients:
In another large bowl, whisk together the granulated sugar, vegetable oil, and eggs until smooth.
Incorporate pumpkin:
Stir in the pumpkin puree until fully incorporated.
Combine mixtures:
Gradually add the dry ingredients to the wet ingredients, mixing just until combined.
Add nuts:
Fold in walnuts or pecans, if using.
Pour batter:
Pour the batter into the prepared pan and spread evenly.
Bake:
Bake for 30–35 minutes, or until a toothpick inserted in the center comes out clean.
Cool:
Allow bars to cool completely in the pan on a wire rack before frosting.
Make frosting:
In a large bowl, beat the softened butter and cream cheese until smooth and creamy.
Add sugars:
Gradually add the powdered sugar and brown sugar, mixing until fully incorporated and fluffy.
Flavor frosting:
Mix in the vanilla extract.
Adjust consistency:
Add milk or cream, one tablespoon at a time, until the frosting is smooth and spreadable.
Frost bars:
Spread frosting evenly over the cooled bars. Cut into squares and serve.
Close-up of frosted pumpkin bars, showing the creamy frosting and inviting spices. Pin
Close-up of frosted pumpkin bars, showing the creamy frosting and inviting spices. | grillandbites.com

My family always gathers around the kitchen to share these bars, making every fall celebration special.

Notes

For extra crunch and flavor, sprinkle additional chopped nuts on top of the frosted bars. For a lighter version, substitute half of the oil with unsweetened applesauce.

Required Tools

9×13-inch baking pan, Mixing bowls, Whisk, Electric mixer or hand mixer, Spatula, Wire cooling rack, Measuring cups and spoons

Allergen Information

Contains Wheat (gluten), eggs, milk (butter, cream cheese), tree nuts (if using walnuts or pecans). Always verify ingredient labels if allergies are a concern.

Homemade pumpkin bars, layered with a sweet, fluffy brown sugar cream cheese frosting. Pin
Homemade pumpkin bars, layered with a sweet, fluffy brown sugar cream cheese frosting. | grillandbites.com

These pumpkin bars are a perfect blend of spice and sweetness that bring warmth to any occasion.

Recipe FAQ

Can I substitute nuts in the bars?

Yes, walnuts or pecans can be included or omitted based on preference or allergies.

How should I store the bars after frosting?

Store in an airtight container in the refrigerator for up to five days to keep them fresh.

What is the best way to achieve a smooth frosting?

Beat softened butter and cream cheese until creamy, then gradually add sugars and vanilla, finishing with milk for spreadability.

Can I make these bars ahead of time?

Yes, bake the bars and cool completely before frosting; they can be prepared a day ahead and refrigerated.

Is there a lighter alternative to oil in the batter?

You can substitute half of the vegetable oil with unsweetened applesauce for a lighter version.

Pumpkin Bars Brown Sugar Frosting

Warm spiced pumpkin bars with creamy brown sugar frosting, perfect for fall gatherings or indulgent snacks.

Prep duration
20 min
Cook duration
35 min
Overall duration
55 min


Skill level Easy

Heritage American

Output 12 Portions

Dietary requirements Vegetarian

Components

Pumpkin Bars

01 1 1/2 cups all-purpose flour
02 1 teaspoon baking soda
03 1 teaspoon ground cinnamon
04 1/2 teaspoon ground nutmeg
05 1/4 teaspoon ground cloves
06 1/2 teaspoon salt
07 1 1/2 cups granulated sugar
08 1/2 cup vegetable oil
09 2 large eggs
10 1 (15-ounce) can pumpkin puree (not pumpkin pie filling)
11 1/2 cup chopped walnuts or pecans (optional)

Brown Sugar Frosting

01 8 tablespoons (1 stick) unsalted butter, softened
02 4 ounces cream cheese, softened
03 3 cups powdered sugar
04 1/2 cup packed light brown sugar
05 1 teaspoon vanilla extract
06 2 to 4 tablespoons milk or cream

Directions

Phase 01

Prepare oven and pan: Preheat oven to 350°F. Grease and flour a 9×13-inch baking pan.

Phase 02

Combine dry ingredients: In a large bowl, whisk together flour, baking soda, cinnamon, nutmeg, cloves, and salt.

Phase 03

Mix wet ingredients: In another large bowl, whisk granulated sugar, vegetable oil, and eggs until smooth.

Phase 04

Add pumpkin puree: Stir pumpkin puree into the wet mixture until fully incorporated.

Phase 05

Combine mixtures: Gradually add dry ingredients to the wet ingredients, mixing just until combined.

Phase 06

Fold in nuts: Fold in chopped walnuts or pecans if using.

Phase 07

Fill baking pan: Pour batter into prepared pan and spread evenly.

Phase 08

Bake bars: Bake 30 to 35 minutes, until a toothpick inserted in the center comes out clean.

Phase 09

Cool bars: Allow bars to cool completely in the pan on a wire rack before frosting.

Phase 10

Beat frosting base: In a large bowl, beat softened butter and cream cheese until smooth and creamy.

Phase 11

Incorporate sugars: Gradually add powdered sugar and brown sugar, beating until fluffy.

Phase 12

Add vanilla: Mix in vanilla extract thoroughly.

Phase 13

Adjust frosting consistency: Add milk or cream one tablespoon at a time until frosting is smooth and spreadable.

Phase 14

Apply frosting and serve: Spread frosting evenly over cooled bars, cut into squares, and serve.

Tools needed

  • 9×13-inch baking pan
  • Mixing bowls
  • Whisk
  • Electric or hand mixer
  • Spatula
  • Wire cooling rack
  • Measuring cups and spoons

Allergy details

Review each ingredient for potential allergens and consult healthcare providers if you're uncertain about any components.
  • Contains wheat (gluten), eggs, milk (butter, cream cheese), and tree nuts if used.

Nutrition breakdown (per portion)

These values are estimates only and shouldn't replace professional medical guidance.
  • Energy: 310
  • Fat: 15 g
  • Carbohydrates: 43 g
  • Protein: 3 g