Pumpkin Bars Brown Sugar Frosting

Section: Sweet Treats for Any Occasion

Soft, moist pumpkin bars are paired with a luscious brown sugar frosting for a truly irresistible treat. The bars boast a blend of autumn spices—cinnamon, nutmeg, and cloves—with tender pumpkin puree creating a comforting texture. Chopped walnuts or pecans add a subtle crunch. Once cooled, the bars are finished with a rich frosting made from creamy butter, tangy cream cheese, powdered sugar, and brown sugar, giving a deep caramel note. Enjoy these spiced delights at any fall celebration, potluck, or as an afternoon snack with coffee or tea.

woman cooking.
Created By Lena
Updated on Fri, 07 Nov 2025 17:16:09 GMT
A stack of cake bars. Save
A stack of cake bars. | recipesbylena.com

Pumpkin bars with brown sugar frosting are everything I want from a fall dessert moist tender cake packed with spiced pumpkin flavor and topped with a thick layer of buttery cream cheese frosting that melts in your mouth. These cozy bars come together easily and always deliver big bakery-style results you will want to share with friends or keep all to yourself.

They remind me of autumn potlucks when everyone always went back for seconds I first baked these one chilly October and now they make every family holiday brighter

Ingredients

  • All-purpose flour: gives structure so bars hold their shape
  • Baking soda: ensures just the right rise select a fresh box for best leavening
  • Ground cinnamon: brings that unmistakable warmth always sniff for maximum freshness in your jar
  • Ground nutmeg and cloves: add depth and coziness use whole nutmeg and grate if possible for bold flavor
  • Salt: balances all the sweet notes use fine salt for even mixing
  • Granulated sugar: keeps the crumb soft and light opt for pure cane sugar if available
  • Vegetable oil: makes these bars extra moist neutral varieties like canola or sunflower work well
  • Large eggs: bind everything and create a tender crumb check for bright clear yolks
  • Canned pumpkin puree: is the heart of these bars be sure it says pumpkin puree not pie filling choose a brand with just one ingredient pumpkin
  • Chopped walnuts or pecans: for crunch and richness taste a few nuts first to ensure freshness totally optional
  • Unsalted butter: creates a luxe base for the frosting plus you control the salt content let it soften at room temp
  • Cream cheese: gives frosting its tang and plushness look for full-fat bricks not spreadable tubs
  • Powdered sugar and brown sugar: bring irresistible sweetness to the topping sift your powdered sugar for smoothest results and use packed light brown sugar
  • Vanilla extract: mellow roundness use pure extract for best aroma
  • Milk or cream: thins the frosting to the perfect spreadable consistency whole milk or heavy cream makes it silkier

Instructions

Prepare the Pan:
Grease your baking pan thoroughly with butter or oil then dust with flour tap the pan upside down to remove excess flour this prevents the bars sticking and helps them release in perfect slabs
Mix the Dry Ingredients:
Combine flour baking soda cinnamon nutmeg cloves and salt in a large bowl whisk well until everything is evenly blended this evenly distributes leavening and spices so every bite is flavorful
Combine Wet Ingredients:
In a separate bowl whisk sugar oil and eggs together whisk until completely smooth and pale yellow this step aerates the mixture for a fluffier bar
Add Pumpkin:
Stir pumpkin puree into the wet ingredients scrape the sides well to ensure the pumpkin is fully mixed in the batter will begin to look creamy and orange
Combine Wet and Dry:
Gradually add the dry mixture into the wet mixture do this in batches mixing gently just until you can no longer see dry flour avoid overmixing so your bars stay soft
Add Walnuts or Pecans:
If using stir chopped nuts into the batter fold them in gently by hand so they are distributed without deflating the batter
Bake:
Pour the batter into the prepared pan smoothing the top to the corners bake at 350 degrees Fahrenheit for thirty to thirty five minutes check doneness by inserting a toothpick in the center it should come out mostly clean with a few moist crumbs not wet batter
Cool Completely:
Remove the pan from the oven and set it on a wire rack allow the bars to cool fully in the pan otherwise the frosting will melt and slide off
Make the Frosting:
Beat softened butter and cream cheese together until very creamy and fluffy this can be done by hand but a hand mixer helps Gradually add powdered sugar and brown sugar beating thoroughly after each addition Add vanilla extract and then the milk or cream one tablespoon at a time beating until the frosting is smooth and easy to spread
Frost and Serve:
Spread the frosting evenly over the cooled bars using a spatula for a thick dreamy layer Cut bars into neat squares serve and enjoy the cozy aroma
A white plate with a slice of cake on it.
A white plate with a slice of cake on it. | recipesbylena.com

The brown sugar in the frosting always makes these bars stand out I still remember my kids sneaking into the kitchen for a finger swipe before the pan was even cooled They love helping press the nuts into the frosting

Storage Tips

Store your pumpkin bars in a tightly sealed container at room temperature for up to two days or refrigerate for up to five days If stacking separate layers with parchment to avoid sticking The frosting sets up a bit and the flavor deepens overnight

Ingredient Substitutions

No vegetable oil Use melted coconut oil or even applesauce for a lighter bar If you do not have cream cheese full-fat Greek yogurt can work in a pinch Swap out nuts for chocolate chips or leave them out altogether

Serving Suggestions

Serve chilled or at cool room temperature For extra autumn vibes sprinkle cinnamon on top or garnish with sugared pecans These pair beautifully with warm spiced cider or a simple hot coffee

The History of Pumpkin Bars

Pumpkin bars grew popular in American home kitchens during the late twentieth century as canned pumpkin became widely available They became a sweet answer to pumpkin bread but easier to frost and slice Their versatility has made them a fall favorite especially for potlucks and bake sales

Seasonal Adaptations

Use fresh pumpkin puree when available for the brightest flavor Toss in dried cranberries for extra fall color Swap out spices for ginger or cardamom for a twist

Success Stories

Friends have told me these bars disappear first at every Friendsgiving They freeze well so I sometimes bake a batch cut them and hide half in the freezer for midnight snacks Last Christmas I topped them with candied orange zest which was a huge hit

Freezer Meal Conversion

After frosting cut the bars and arrange on a baking sheet Freeze until solid then wrap tightly in foil and plastic store in an airtight bag or container To serve let thaw at room temperature and enjoy as fresh tasting as the day you baked them

A stack of three square cakes.
A stack of three square cakes. | recipesbylena.com

These pumpkin bars will brighten any fall gathering and are always a welcome treat at my table. Bake a batch to share or keep for yourself—either way they will not last long.

Recipe FAQs

→ What makes the bars so moist and tender?

The pumpkin puree and vegetable oil in the batter keep the bars soft, moist, and tender even after baking.

→ Can I use fresh pumpkin instead of canned?

Yes, fresh pumpkin puree works well as long as it is not watery. Make sure to drain excess moisture before using.

→ How long do the bars stay fresh?

Stored in an airtight container in the refrigerator, the bars remain fresh for up to 4 days.

→ Is it possible to freeze these bars?

Absolutely. Freeze unfrosted bars for up to 2 months. Add frosting after thawing for best texture.

→ Can I use a dairy-free substitute for the frosting?

Yes, plant-based butter and dairy-free cream cheese can be used for a similar, creamy finish.

→ What nuts work best for added crunch?

Chopped walnuts or pecans both pair beautifully with the spiced pumpkin flavor and brown sugar frosting.

Pumpkin Bars Brown Sugar Frosting

Soft spiced pumpkin bars finished with smooth brown sugar frosting—perfect for any autumn gathering.

Preparation Time
20 minutes
Time to Cook
35 minutes
Overall Time
55 minutes
Created By: Lena

Recipe Category: Desserts

Difficulty Level: Great for Beginners

Cuisine Style: American

Serving Size: 12 Portions (12 bars)

Dietary Categories: Suitable for Vegetarians

Ingredients List

→ For the Bars

01 190 g all-purpose flour
02 1 teaspoon baking soda
03 1 teaspoon ground cinnamon
04 0.5 teaspoon ground nutmeg
05 0.25 teaspoon ground cloves
06 0.5 teaspoon fine salt
07 300 g granulated sugar
08 120 ml vegetable oil
09 2 large eggs
10 425 g pumpkin puree (not pumpkin pie filling)
11 60 g chopped walnuts or pecans (optional)

→ For the Brown Sugar Frosting

12 115 g unsalted butter, softened
13 115 g cream cheese, softened
14 360 g powdered sugar
15 110 g packed light brown sugar
16 1 teaspoon vanilla extract
17 30–60 ml milk or cream

How to Make It

Step 01

Preheat oven to 175°C. Grease and flour a 23 x 33 cm baking pan.

Step 02

In a large mixing bowl, whisk together flour, baking soda, cinnamon, nutmeg, cloves, and salt until evenly blended.

Step 03

In a separate bowl, whisk together granulated sugar, vegetable oil, and eggs until smooth.

Step 04

Stir pumpkin puree into the wet mixture until fully integrated.

Step 05

Gradually add the dry ingredients to the wet mixture, stirring gently just until combined.

Step 06

Fold in chopped walnuts or pecans, if desired.

Step 07

Pour the batter into the prepared baking pan and spread evenly.

Step 08

Bake for 30–35 minutes or until a toothpick inserted in the centre emerges clean.

Step 09

Allow the bars to cool thoroughly in the pan on a wire rack before frosting.

Step 10

In a bowl, beat butter and cream cheese together until smooth. Gradually add powdered sugar and brown sugar, mixing until fully combined.

Step 11

Stir in vanilla extract. Add milk or cream, one tablespoon at a time, until the frosting reaches a spreadable consistency.

Step 12

Spread frosting evenly over cooled bars. Slice into portions and serve.

Extra Tips

  1. Ensure bars are completely cool before applying frosting to prevent it from melting.
  2. For extra crunch, sprinkle additional chopped nuts over the finished frosting.

Essential Tools

  • Mixing bowls
  • 23 x 33 cm baking pan
  • Whisk
  • Electric mixer or hand mixer
  • Measuring cups and spoons
  • Rubber spatula
  • Wire rack

Allergen Warnings

Double-check all ingredients for allergens and consult your doctor if you’re unsure.
  • Contains eggs
  • Contains milk and milk products
  • Contains wheat (gluten)
  • Contains tree nuts (if nuts are used)

Nutritional Information (Per Serving)

This info is offered for general knowledge and isn’t meant as medical advice.
  • Calories Info: 310
  • Total Fat: 15 grams
  • Total Carbs: 43 grams
  • Proteins Content: 3 grams