Pumpkin Bars Brown Sugar Frosting

Featured in: Comfort Baking

These moist pumpkin bars combine warm spices like cinnamon, nutmeg, and cloves with a tender crumb. Topped with a smooth brown sugar cream cheese frosting, they offer a rich, sweet finish. The bars bake evenly in a 9x13 pan and can include chopped nuts for added texture. Ideal for autumn gatherings, they’re easy to prepare, with simple steps ensuring a soft, flavorful treat.

Cooling before frosting prevents melting, while optional nuts add crunch and flavor. A balance of sugar, oil, eggs, and pumpkin puree ensures moistness. Store leftovers chilled to maintain freshness for up to five days.

Updated on Sun, 23 Nov 2025 13:07:00 GMT
Warm, spiced pumpkin bars with creamy brown sugar frosting, a delicious fall dessert. Save
Warm, spiced pumpkin bars with creamy brown sugar frosting, a delicious fall dessert. | butterhearth.com

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

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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

Step 1:
Preheat oven to 350°F (175°C). Grease and flour a 9×13-inch baking pan.
Step 2:
In a large bowl, whisk together the flour, baking soda, cinnamon, nutmeg, cloves, and salt.
Step 3:
In another large bowl, whisk together the granulated sugar, vegetable oil, and eggs until smooth.
Step 4:
Stir in the pumpkin puree until fully incorporated.
Step 5:
Gradually add the dry ingredients to the wet ingredients, mixing just until combined.
Step 6:
Fold in walnuts or pecans, if using.
Step 7:
Pour the batter into the prepared pan and spread evenly.
Step 8:
Bake for 30–35 minutes, or until a toothpick inserted in the center comes out clean.
Step 9:
Allow bars to cool completely in the pan on a wire rack before frosting.
Step 10:
For the frosting: In a large bowl, beat the softened butter and cream cheese until smooth and creamy.
Step 11:
Gradually add the powdered sugar and brown sugar, mixing until fully incorporated and fluffy.
Step 12:
Mix in the vanilla extract.
Step 13:
Add milk or cream, one tablespoon at a time, until the frosting is smooth and spreadable.
Step 14:
Spread frosting evenly over the cooled bars. Cut into squares and serve.
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Bars can be stored in an airtight container in the refrigerator for up to 5 days.

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.

Nutritional Information

Calories: 310 Total Fat: 15 g Carbohydrates: 43 g Protein: 3 g

A close-up of frosted pumpkin bars, offering a visual of the tasty dessert to enjoy. Save
A close-up of frosted pumpkin bars, offering a visual of the tasty dessert to enjoy. | butterhearth.com

This pumpkin bar recipe is perfect for cozy gatherings and is easy to make ahead. Enjoy the blend of warm spices and creamy frosting in every bite.

Recipe Questions

What spices enhance the pumpkin bars' flavor?

Cinnamon, nutmeg, and ground cloves create a warm, cozy spice blend that complements the pumpkin’s natural sweetness.

How should I prevent the frosting from melting?

Allow the pumpkin bars to cool completely before evenly spreading the brown sugar cream cheese frosting.

Can nuts be added to these bars?

Yes, chopped walnuts or pecans can be folded into the batter for added crunch and flavor.

What’s a good substitution to reduce oil content?

Replace half of the vegetable oil with unsweetened applesauce to lighten the bars without sacrificing moisture.

How long do the bars stay fresh?

Store in an airtight container in the refrigerator for up to five days to maintain texture and freshness.

What baking pan size is recommended?

A 9x13-inch pan ensures even baking and proper thickness for tender bars.

Pumpkin Bars Brown Sugar Frosting

Warmly spiced pumpkin bars topped with creamy brown sugar frosting for a cozy fall treat.

Prep duration
20 min
Time to cook
35 min
Complete duration
55 min
Created by Grace Mitchell


Skill Level Easy

Heritage American

Output 12 Portions

Dietary considerations Meat-Free

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
11 1/2 cup chopped walnuts or pecans (optional)

Brown Sugar Frosting

01 8 tablespoons 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 2–4 tablespoons milk or cream

Directions

Stage 01

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

Stage 02

Combine Dry Ingredients: In a large bowl, whisk together the flour, baking soda, cinnamon, nutmeg, cloves, and salt.

Stage 03

Mix Wet Ingredients: In a separate bowl, whisk granulated sugar, vegetable oil, and eggs until smooth.

Stage 04

Incorporate Pumpkin: Stir pumpkin puree into the wet mixture until fully blended.

Stage 05

Combine Wet and Dry: Gradually add dry ingredients to wet ingredients, mixing just until combined.

Stage 06

Add Nuts: Fold in chopped walnuts or pecans if desired.

Stage 07

Transfer Batter: Pour the batter into the prepared pan and spread evenly.

Stage 08

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

Stage 09

Cool Bars: Let bars cool completely in the pan on a wire rack before applying frosting.

Stage 10

Prepare Frosting Base: Beat softened butter and cream cheese together until smooth and creamy.

Stage 11

Add Sugars: Gradually mix in powdered sugar and brown sugar until fully incorporated and fluffy.

Stage 12

Flavor Frosting: Stir in vanilla extract.

Stage 13

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

Stage 14

Frost Bars: Spread frosting evenly over cooled bars, then cut into squares and serve.

Necessary tools

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

Allergy details

Review each component for potential allergens and consider consulting with a healthcare provider if you're unsure about certain ingredients.
  • Contains wheat (gluten), eggs, milk (butter, cream cheese), and tree nuts if nuts are used.

Nutritional information (per portion)

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