Can I use fresh pumpkin instead of canned puree?

Yes, but you must be careful. Fresh pumpkin puree is often much more watery than the canned variety. If you use fresh, you must strain it through cheesecloth or a fine-mesh sieve for at least 2 hours (or overnight) to remove excess liquid. Without this step, your blondies will likely turn out more like a steamed pudding or a very soggy cake.

Why are my blondies more cakey than fudgy?

This is usually a result of over-creaming the butter and sugar or using a very wet brand of pumpkin. If you prefer a fudgy texture, blot your pumpkin with paper towels to remove moisture before mixing, and stop beating the butter once it’s just combined with the sugar rather than waiting for it to get extremely fluffy.

My blondies are done on the outside but raw in the middle.

What happened? Pumpkin-based batters are dense and take a long time to heat through to the center. If your edges are browning too fast, your oven might be running hot. Use an oven thermometer to check the temperature. In the future, if you see the edges darkening, loosely tent the pan with foil halfway through to allow the center to cook without burning the perimeter.

I don't have Pumpkin Pie Spice. Can I make my own?

Absolutely! You can easily substitute the 1 tablespoon of pumpkin pie spice with a blend of: 1 ½ tsp cinnamon, ½ tsp ginger, ½ tsp nutmeg, and ¼ tsp cloves (or allspice). This DIY blend often tastes even fresher and more vibrant than pre-mixed store-bought versions.

How can I get a crackly top on my pumpkin blondies?

Because pumpkin is so moist, it is difficult to get the same papery, crackly top you see on brownies. However, the secret is in the sugar and butter. Ensure you beat the sugar and melted (but slightly cooled) butter together vigorously for at least 2 minutes before adding the pumpkin. This helps create a meringue-like film on the surface as it bakes.

Pumpkin Spice Blondie Bars Recipe

When autumn arrives, pumpkin spice blondie bars offer a perfect way to bring seasonal flavors into the kitchen. The combination of pumpkin puree, warm cinnamon, nutmeg, and brown sugar creates a chewy, buttery base that balances sweet and spice in every bite. Each blondie has a tender texture, golden crust, and soft interior that’s easy to cut into squares for serving or snacking. These bars are ideal for brunches, potlucks, or a simple afternoon treat. With straightforward steps and pantry-friendly ingredients, even beginner bakers can enjoy creating this cozy dessert. The flavor of pumpkin blends seamlessly with brown sugar and butter, producing a comforting bar that feels indulgent without being overly heavy. Adding chopped nuts or a drizzle of glaze enhances the flavor and visual appeal. Perfect for sharing or enjoying alongside a warm cup of coffee or tea, these bars capture the essence of fall in every bite.

Jump to Recipe

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Why You’ll Love These Pumpkin Spice Blondie Bars

As the warm spices develop in the oven, these soft blondie bars capture the cozy spirit of fall baking.

Gentle pumpkin flavor adds natural moisture and tenderness.
Aromatic spice blend makes each bite comforting.
Chewy texture keeps them indulgent yet light.
Wonderful seasonal dessert for holidays or gatherings.
Tastes even better with a drizzle of cream cheese glaze.

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Ingredients

All-purpose flour: This gives your bars structure while keeping them tender. Fold it gently—overmixing will make your blondies tough.
Granulated sugar: Sweetens the bars and balances the pumpkin’s natural earthiness. Don’t skip it, but feel free to add a pinch more if you like sweeter blondies.
Pumpkin puree: The star ingredient! It adds moisture, subtle sweetness, and that warm, cozy flavor. Use plain pumpkin, not pumpkin pie filling, for best results.
Chocolate chips: Optional, but highly recommended! These melt into soft, gooey pockets that complement the pumpkin spice beautifully.
Unsalted butter: Provides richness and helps the bars stay soft and chewy. I like to melt it gently so it incorporates smoothly.
Vanilla extract: Enhances all the flavors, especially the pumpkin and spices.
Pumpkin pie spice: Brings warmth and seasonal flavor. Adjust to taste, but don’t skip it—it’s what makes these bars cozy and aromatic.
Baking soda: Helps your bars rise slightly and ensures a soft, tender texture.
Egg: Binds the ingredients and adds moisture, creating a chewy, satisfying bite.

Tips To Get Your Recipe Right

Remove extra moisture from pumpkin: Spread the pumpkin puree on a plate and gently blot with a paper towel to reduce excess liquid. This helps the bars stay dense and fudgy instead of mushy.
Use softened butter, not melted: Butter should be soft enough to cream with sugar but not melted. Too warm makes greasy bars, too cold makes the batter grainy.
Mix flour gently: Once the dry ingredients are added, fold with a spatula or use low speed. Over-mixing develops gluten and makes the bars tough.
Check for doneness carefully: The center takes longer to set. Edges should be golden and pulling from the pan, and a toothpick should come out with a few moist crumbs, not wet batter.
Cool fully before cutting: Let the bars rest in the pan for 20 minutes, then at least another 30 on a rack. This allows the structure to set so slices hold together.

Storage Tips

Room temperature: Store in an airtight container for 2–3 days in a cool, dry spot; skip this method if your kitchen is warm or humid, as the pumpkin makes them prone to spoilage.
Refrigeration: Keep for up to 1 week; the cold sets the pumpkin fibers, creating a denser, fudgier texture. Line the container with a paper towel to absorb excess moisture.
Freezing: Wrap individual squares and freeze for up to 3 months; thaw in the fridge overnight or on the counter for 30–60 minutes for best texture.
Reheating: Warm a single bar in the microwave for 10–15 seconds to soften chips and tenderize the blondie, or crisp edges in the oven at 300°F (150°C) for 5 minutes.
Storage mistakes to avoid: Never seal warm bars, leave them in direct sunlight, or stack without parchment as these cause soggy, melted, or stuck-together bars.”

FAQs

Can I use fresh pumpkin instead of canned puree?

Yes, but you must be careful. Fresh pumpkin puree is often much more watery than the canned variety. If you use fresh, you must strain it through cheesecloth or a fine-mesh sieve for at least 2 hours (or overnight) to remove excess liquid. Without this step, your blondies will likely turn out more like a steamed pudding or a very soggy cake.
Why are my blondies more cakey than fudgy?

This is usually a result of over-creaming the butter and sugar or using a very wet brand of pumpkin. If you prefer a fudgy texture, blot your pumpkin with paper towels to remove moisture before mixing, and stop beating the butter once it’s just combined with the sugar rather than waiting for it to get extremely fluffy.
My blondies are done on the outside but raw in the middle.

What happened? Pumpkin-based batters are dense and take a long time to heat through to the center. If your edges are browning too fast, your oven might be running hot. Use an oven thermometer to check the temperature. In the future, if you see the edges darkening, loosely tent the pan with foil halfway through to allow the center to cook without burning the perimeter.
I don’t have Pumpkin Pie Spice. Can I make my own?

Absolutely! You can easily substitute the 1 tablespoon of pumpkin pie spice with a blend of: 1 ½ tsp cinnamon, ½ tsp ginger, ½ tsp nutmeg, and ¼ tsp cloves (or allspice). This DIY blend often tastes even fresher and more vibrant than pre-mixed store-bought versions.
How can I get a crackly top on my pumpkin blondies?

Because pumpkin is so moist, it is difficult to get the same papery, crackly top you see on brownies. However, the secret is in the sugar and butter. Ensure you beat the sugar and melted (but slightly cooled) butter together vigorously for at least 2 minutes before adding the pumpkin. This helps create a meringue-like film on the surface as it bakes.