As the leaves begin to turn and a crispness fills the air, there’s an undeniable warmth that draws us to comforting, seasonal treats. For many, nothing quite captures the essence of autumn like a batch of soft, spiced Pumpkin Bars with Cream Cheese Frosting. This isn’t just any recipe; it’s a cherished family tradition, passed down through generations, and perfectly sized for sharing the joy of fall with everyone you love.

There’s a unique magic to these sheet pan pumpkin bars. They strike the ideal balance between a moist, cake-like texture and a subtly spiced pumpkin flavor, all elevated by a rich, tangy cream cheese frosting that melts in your mouth. This isn’t just a dessert; it’s a centerpiece for autumn gatherings, a welcome treat for potlucks, and a comforting delight for a cozy evening at home. The generous size of this recipe means there’s always enough to go around, making it truly ideal for parties, family reunions, or simply for enjoying throughout the week.
A Legacy of Flavor: Our Family’s Pumpkin Bar Story
This pumpkin bar recipe isn’t merely a set of instructions; it’s a treasured heirloom. For as long as I can recall, October has been synonymous with the aroma of cinnamon and pumpkin wafting from the kitchen as a fresh batch of these bars bakes. It simply wouldn’t feel like fall without them.

I first shared this beloved recipe back in 2015, on my grandmother’s birthday. It felt like the perfect tribute to her, as this dessert truly embodies her spirit of generosity and warmth. The photograph above shows her as a radiant young woman, enjoying a beautiful day by a pier in Lake Michigan. Her timeless beauty and zest for life are evident, just like the enduring appeal of her recipes.
When I was a child, my family compiled a book of our most cherished recipes. This particular gem was proudly included under the name “Grandma’s Frosted Pumpkin Squares.” Over the years, I’ve updated the name to “Pumpkin Bars” to better align with what most people in our area call them. However, rest assured, the recipe itself remains untouched – straight from grandma’s kitchen to yours. And if there’s one thing we know about grandma’s cooking, it’s that it’s always incredibly good, consistently delivering that comforting taste of home.
Preparing these pumpkin bars is more than just baking; it’s a journey back in time, a way to connect with the memories and love that have been woven into every delicious bite. From the simple act of mixing ingredients to the joyful anticipation of frosting them, each step carries a piece of our family’s culinary heritage. It’s a tradition that continues to bring smiles and satisfy sweet cravings every autumn.


What Makes These Pumpkin Bars Truly Special
There are several reasons why this particular pumpkin bar recipe stands out, making it a firm favorite year after year. First and foremost, I adore the generous scale of this recipe. We’re not talking about a modest 9×13-inch pan here. No, we’re aiming for a full 13×18-inch half-sheet pan, brimming with deliciousness. This yields a substantial batch, ensuring there’s plenty to share, which is a blessing when you hail from a large family of enthusiastic dessert lovers. This ample quantity also makes them absolutely perfect for any communal event – be it potlucks, holiday parties, school functions, or casual get-togethers. You’ll never have to worry about running out!

Even better, despite their impressive size, these easy pumpkin bars are incredibly simple to make. You don’t need fancy equipment or advanced baking skills. All you really require are a couple of mixing bowls and a whisk. The preparation process is straightforward and enjoyable, making it a fantastic recipe for bakers of all experience levels, including those who are just starting their culinary journey.
Grandma’s original recipe thoughtfully relies on just cinnamon to complement the pumpkin, allowing the rich, earthy flavor of the pumpkin to truly shine. This minimalist approach also keeps the ingredient list manageable and ensures you’re likely to have most items already on hand in your pantry. However, if you’re someone who appreciates a more complex spice profile in your pumpkin treats, feel absolutely free to customize! A delicate touch of nutmeg or a hint of warming ginger can add wonderful depth and character to the bars.

For an even easier flavor boost, consider using a pre-mixed pumpkin pie spice blend instead of individual spices. This can introduce a more intricate flavor profile without requiring you to rummage through your entire spice cabinet. And for those who truly love that bold, aromatic kick with their pumpkin, don’t hesitate to double the amount of spice. The beauty of this recipe lies in its adaptability!
Yet, for our family, there’s something irreplaceable about the way grandma makes them – a perfect harmony of gentle cinnamon, abundant pumpkin flavor, and that signature tangy cream cheese frosting. The batter comes together in mere minutes, baking into a wonderfully sturdy yet delightfully cakey bar that’s truly hard to resist. The velvety smooth frosting provides a creamy contrast, making each bite an irresistible autumnal treat. These are not just pumpkin bars; they are the quintessential taste of fall, evoking comfort and joy with every serving.

One of the greatest joys of baking these delicious pumpkin bars is sharing the experience, especially with younger generations. I had a very enthusiastic helper for this recipe – my little one absolutely loves the sensory experience of dumping ingredients into the bowl and helping with the stirring. While it might lead to a bit of extra delightful mess, the joy and memories created in the kitchen are absolutely priceless. It’s a wonderful way to pass on not just a recipe, but a cherished tradition and a love for homemade treats.
Baking Tips for Perfect Pumpkin Bars
Achieving the perfect sheet pan pumpkin bars is easier than you think, especially with a few helpful tips:
- **Measure Properly:** Always spoon flour into your measuring cup and level it off with a straight edge rather than scooping directly from the bag. This prevents over-measuring and dense bars.
- **Room Temperature Ingredients:** Ensure your eggs, cream cheese, and butter for the frosting are at room temperature. This allows them to cream together smoothly, creating a uniform batter and lump-free, fluffy frosting.
- **Don’t Overmix:** Once you combine the wet and dry ingredients, mix just until no streaks of flour remain. Overmixing can develop the gluten in the flour, leading to tough bars.
- **Even Spreading:** For uniform baking, spread the batter evenly in your prepared sheet pan. A small offset spatula or the back of a spoon works wonders.
- **Cool Completely:** This is crucial for the frosting! If the bars are even slightly warm, the cream cheese frosting will melt and slide right off. Patience is key here.
- **Perfect Frosting Consistency:** If your frosting is too thick, add a few drops of milk at a time until it reaches a spreadable consistency. If it’s too thin, add a tablespoon or two of powdered sugar until it thickens.
- **Storage:** Due to the cream cheese frosting, these bars must be stored in the refrigerator. An airtight container or covering the sheet pan tightly with plastic wrap will keep them fresh and moist for up to 5 days.
Frequently Asked Questions About Pumpkin Bars
What if I don’t have a half sheet pan?
No need to worry! You can still bake these delicious pumpkin bars. Simply grease two standard 9×13-inch baking pans and divide the batter evenly between them. The baking time will be slightly shorter, so start checking for doneness a couple of minutes early. The bars are ready when their tops spring back lightly after being gently touched with your finger, or when a toothpick inserted into the center comes out clean.
Can I half this recipe?
Absolutely! If you’re baking for a smaller crowd or simply want fewer leftovers, you can easily halve this recipe. Cut all the ingredient measurements in half and bake the batter in a greased 9×13-inch pan. Begin checking the bars for doneness after approximately 20 minutes.
Can I add nuts or other mix-ins to this recipe?
Certainly! While my family traditionally prefers these pumpkin bars plain, you can definitely “jazz them up” with your favorite additions. Chopped walnuts or pecans are classic choices, offering a delightful crunch. For a sweeter twist, consider adding some chocolate chips (white chocolate chips are especially good with pumpkin!). Fold them into the batter just before pouring it into the pan.
Can I add more spice?
Of course! If you’re a fan of a richer, more pronounced pumpkin spice flavor, feel free to enhance the spice profile. A little bit of ground cloves, ginger, or additional nutmeg would be delicious in these bars. You could even swap out the plain cinnamon for a pre-made pumpkin pie spice blend for a more complex aroma and taste. For an extra kick, consider doubling the amount of cinnamon or your chosen spice blend.

If you’ve fallen in love with these pumpkin bars, there’s a good chance you’ll also adore applesauce bars. They share many similarities in their comforting, cakey texture and delightful frosting, but they are filled with the sweet, wholesome goodness of apples instead of pumpkin, making them another fantastic autumn treat.
For even more seasonal inspiration and comforting recipes, be sure to explore my full collection of pumpkin recipes. You’re sure to discover something new to love and add to your fall baking repertoire!
Rated 4.8 out of 5 stars by 24 readers.
Grandma’s Frosted Pumpkin Bars
Author: Carlee
Servings: 24 Servings
These sheet pan pumpkin bars are topped with cream cheese frosting for a combination that is hard to beat. They are a perfect dessert for a crowd. You can whip up the batter in just a few minutes. The cream cheese frosting adds a little tang and makes them irresistible. My grandma’s frosted pumpkin square recipe is the perfect fall treat!
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Prep: 15 mins | Cook: 25 mins | Total: 40 mins
Equipment
- Nordic Ware Half Sheet Pans and Cover
- OXO Mixing Bowl Set
Ingredients
Pumpkin Bars
- 4 large eggs, beaten
- 1 cup vegetable oil or other neutral cooking oil
- 2 cups granulated sugar
- 1 cup pumpkin puree (ensure it’s not pumpkin pie filling)
- ½ teaspoon salt
- 2 teaspoons ground cinnamon
- 2 teaspoons baking soda
- 1 teaspoon baking powder
- 2 cups all-purpose flour
- 1 cup chopped walnuts (optional, or other mix-ins like pecans or chocolate chips)
Frosting
- 3 oz cream cheese, softened
- 6 Tablespoons butter, softened
- 1 teaspoon vanilla extract
- 3 cups powdered sugar
- 1 Tablespoon milk, or more as needed
Instructions
Sheet Pan Pumpkin Bars
- Preheat oven to 350°F (175°C) and generously grease a half sheet pan (approximately 13x18x1-inch).
- In a large mixing bowl, whisk together the beaten eggs, vegetable oil, granulated sugar, and pumpkin puree until well combined and smooth.
- In a separate small bowl, stir together the all-purpose flour, salt, ground cinnamon, baking soda, and baking powder.
- Gradually add the dry ingredients to the wet ingredients, stirring until just combined. Be careful not to overmix. If desired, gently fold in the chopped walnuts or other preferred mix-ins.
- Pour the batter into the prepared sheet pan, spreading it evenly. Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean and the top springs back when lightly touched.
- Allow the pumpkin bars to cool completely on a wire rack before frosting. This is essential to prevent the frosting from melting.
Cream Cheese Frosting
- In a medium bowl, beat together the softened cream cheese and softened butter until the mixture is smooth and creamy.
- Add the vanilla extract, milk, and powdered sugar. Stir on low speed until the powdered sugar is incorporated, then increase speed and beat for 1-2 minutes until the frosting is light and fluffy. If the frosting is too thick, add more milk a few drops at a time until you achieve a nice, spreadable consistency.
- Evenly spread the cream cheese frosting over the completely cooled pumpkin bars. Slice and serve immediately.
Notes
Due to the cream cheese frosting, pumpkin bars should always be stored in the refrigerator. For easy storage, use a sheet pan with a lid, or cover the pan tightly with plastic wrap to prevent any exposed bars from drying out. They will keep fresh for up to 5 days.
These bars also freeze beautifully! Cut them into individual slices, wrap each slice tightly in plastic wrap, and then place them in an airtight freezer-safe container or bag. When you’re ready for a treat, simply defrost a slice at room temperature or in the refrigerator and enjoy!
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Nutrition Information
Serving: 1 Serving | Calories: 325kcal | Carbohydrates: 41g | Protein: 4g | Fat: 17g | Saturated Fat: 4g | Polyunsaturated Fat: 12g | Cholesterol: 42mg | Sodium: 284mg | Fiber: 1g | Sugar: 31g
“Cooking With Carlee” is not a dietitian or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories and other nutritional values can vary quite a bit depending on which brands were used.
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