Pumpkin Bars Brown Sugar Frosting

Featured in: Warm Baked Goods

These pumpkin bars offer a moist and warmly spiced base infused with cinnamon, nutmeg, and cloves. The addition of chopped nuts adds subtle crunch, while the rich brown sugar cream cheese frosting enhances the cozy flavors. Easy to prepare and perfect for autumnal occasions, the bars balance sweetness and spice. Cooling completely before frosting ensures a smooth, decadent topping. Ideal served in squares and enjoyed fresh or stored chilled for days.

Updated on Sun, 23 Nov 2025 09:09:00 GMT
Warm pumpkin bars with rich brown sugar frosting, ready to serve, a delightful dessert. Save
Warm pumpkin bars with rich brown sugar frosting, ready to serve, a delightful dessert. | olivedune.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 has become a favorite in my family during the fall season because it brings both comfort and a festive touch to our gatherings.

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.
Add pumpkin:
Stir in the pumpkin puree until fully incorporated.
Combine:
Gradually add the dry ingredients to the wet ingredients, mixing just until combined.
Add nuts:
Fold in walnuts or pecans, if using.
Prepare pan:
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:
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.
A close-up of frosted Pumpkin Bars, perfectly cut with a generous layer of frosting. Save
A close-up of frosted Pumpkin Bars, perfectly cut with a generous layer of frosting. | olivedune.com

My family loves gathering around to enjoy these bars during holidays, making every moment sweeter and cozier.

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.

Beautiful, golden Pumpkin Bars with brown sugar frosting, inviting everyone to enjoy a treat. Save
Beautiful, golden Pumpkin Bars with brown sugar frosting, inviting everyone to enjoy a treat. | olivedune.com

These pumpkin bars combine cozy spices with a creamy frosting to create a perfect fall treat you can enjoy all season long.

Cooking Questions & Answers

Can I substitute nuts in the bars?

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

How do I prevent the frosting from melting?

Allow the bars to cool completely before spreading the frosting to maintain its texture and prevent melting.

What spices are included in the spiced bars?

The bars include cinnamon, nutmeg, and cloves to create a warm, cozy flavor profile.

Can I make a lighter version of the bars?

Yes, substitute half of the vegetable oil with unsweetened applesauce for a lighter texture.

How should I store these bars?

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

What pan size is recommended for baking?

A 9×13-inch baking pan provides the ideal thickness and bake time for these bars.

Pumpkin Bars Brown Sugar Frosting

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

Prep Duration
20 min
Time to Cook
35 min
Overall Duration
55 min
Creator: Clara Moretti


Skill Level Easy

Cuisine American

Serves 12 Portions

Dietary Info Vegetarian-Friendly

What You Need

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 2–4 tablespoons milk or cream

Steps

Step 01

Prepare Oven and Pan: Preheat oven to 350°F. Grease and flour a 9x13-inch baking pan.

Step 02

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

Step 03

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

Step 04

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

Step 05

Combine Wet and Dry Mixtures: Gradually fold dry ingredients into wet ingredients, mixing just until combined.

Step 06

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

Step 07

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

Step 08

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

Step 09

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

Step 10

Prepare Frosting Base: Beat softened butter and cream cheese until smooth and creamy in a large bowl.

Step 11

Incorporate Sugars: Gradually add powdered sugar and brown sugar, mixing until fluffy and fully combined.

Step 12

Add Flavoring: Mix in vanilla extract.

Step 13

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

Step 14

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

Essential Tools

  • 9x13-inch baking pan
  • Mixing bowls
  • Whisk
  • Electric mixer or hand mixer
  • Spatula
  • Wire cooling rack
  • Measuring cups and spoons

Allergy Notice

Always review each component for allergens, and reach out to medical experts if you're uncertain.
  • Contains wheat (gluten), eggs, milk (butter, cream cheese), and tree nuts if walnuts or pecans are included.

Nutrition Breakdown (each portion)

These details are for general advice—please consult your healthcare provider for specific guidance.
  • Energy (kcal): 310
  • Lipids: 15 g
  • Carbohydrates: 43 g
  • Proteins: 3 g