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Low-Fat Pumpkin Swirl Bars (Or Cake)

Every autumn, my kitchen transforms into a pumpkin-spiced haven. While elaborate pies and fussy tarts have their place, sometimes I crave something simpler, something that captures the essence of the season without demanding hours of meticulous work. That’s where these pumpkin swirl bars come in. I remember baking a batch for a fall picnic once; the aroma alone drew everyone in, and the bars vanished faster than I could say “pumpkin spice latte.” Their lightness and subtly sweet flavor always make them a winner.

Recipe Overview

Prep Time: 20 minutes
Cook Time: 25-35 minutes
Total Time: 45-55 minutes
Servings: 16
Yield: 1 pan of bars or cake
Dietary Type: Lower Fat

Ingredients

2 cups flour
2 1/2 teaspoons pumpkin pie spice
2 teaspoons baking powder
1 teaspoon baking soda
1/3 cup butter, softened
1 cup sugar
1/2 cup brown sugar
2 large eggs
2 egg whites
1 (15 ounce) can pumpkin
4 ounces cream cheese, light
3 tablespoons sugar
1 tablespoon milk

Equipment Needed

Mixer
10×15 inch jelly roll pan or 9×13 inch pan
Parchment paper (optional, but recommended)
Mixing bowls
Knife

Instructions

Preheat your oven to 350°F (175°C). This is a crucial step to ensure even baking.
Prepare your pan. You have two options: a 10×15 inch jelly roll pan for bars or a 9×13 inch pan for a cake-like result. I highly recommend lining your chosen pan with parchment paper. This makes removing the finished bars or cake incredibly easy and prevents sticking.
In a medium-sized bowl, whisk together the dry ingredients: flour, pumpkin pie spice, baking powder, and baking soda. Set this bowl aside for later. This ensures the spices and leavening agents are evenly distributed throughout the batter.
In a larger mixing bowl, or the bowl of your stand mixer, combine the sugar, brown sugar, and softened butter. Cream these ingredients together until light and fluffy. This step is important for creating a tender crumb.
Add the pumpkin to the creamed mixture and mix until well combined. The pumpkin provides moisture and that signature autumnal flavor.
Next, add the eggs and egg whites, one at a time, mixing well after each addition. The eggs contribute to the structure and richness of the bars.
Gradually add the dry ingredient mixture (from step 3) to the wet ingredients, mixing until just combined. Be careful not to overmix, as this can lead to tough bars.
Spread the batter evenly into your prepared pan.
Now, prepare the cream cheese topping: In a separate bowl, blend the softened cream cheese, 3 tablespoons of sugar, and milk until smooth and creamy. A hand mixer works well for this, but you can also do it by hand if your cream cheese is sufficiently soft.
Drizzle the cream cheese mixture evenly across the top of the pumpkin batter.
Use a knife to create the signature swirl. Gently drag the knife through the batter and cream cheese topping in a zigzag or figure-eight pattern. Be careful not to overmix, as you want to maintain distinct swirls.
Bake according to your pan size:
- For a 10×15 inch pan, bake for 25-30 minutes.
- For a 9×13 inch pan, bake for 35 minutes.
Test for doneness using a knife rather than a toothpick. Insert the knife into the center of the bars. If it comes out clean or with just a few moist crumbs attached, they’re done. I look for the cake to puff up all over, even creating little cracks on the top, as an indicator that it is thoroughly baked. Under-baked bars can be gummy.
Let the bars cool completely in the pan before cutting and serving. Cooling allows the bars to set properly and makes them easier to slice.

Expert Tips & Tricks

Soften the butter properly: Make sure your butter is truly softened, but not melted. This will ensure it creams well with the sugars and creates a light and airy batter.
Room temperature ingredients: Allow your eggs and cream cheese to come to room temperature before using them. This helps them incorporate more easily into the batter and prevents lumps.
Don’t overmix: Overmixing the batter after adding the flour can develop the gluten, resulting in tough bars. Mix just until the ingredients are combined.
Parchment paper is your friend: Lining the pan with parchment paper makes removing the bars a breeze and prevents sticking.
Get creative with the swirl: Experiment with different swirling patterns to create unique designs on top of the bars.
Spice it up: Adjust the amount of pumpkin pie spice to your liking. You can also add a pinch of cinnamon, nutmeg, or cloves for a more complex flavor profile.
Make it ahead: You can bake these bars a day or two in advance. Store them in an airtight container at room temperature or in the refrigerator.

Serving & Storage Suggestions

These pumpkin swirl bars are delicious served warm or at room temperature. For a fancier presentation, top them with a dollop of whipped cream or a scoop of vanilla ice cream and a sprinkle of cinnamon.

Store leftover bars in an airtight container at room temperature for up to 3 days or in the refrigerator for up to 5 days. You can also freeze them for up to 2 months. Thaw frozen bars in the refrigerator overnight before serving. To reheat, warm individual slices in the microwave for a few seconds or in a low oven until heated through.

Nutritional Information

Nutrient	Amount per Serving	% Daily Value
Calories	218.5 kcal	N/A
Calories from Fat	63 kcal	N/A
Total Fat	7.1 g	10%
Saturated Fat	4.1 g	20%
Cholesterol	41.4 mg	13%
Sodium	199.6 mg	8%
Total Carbohydrate	36 g	11%
Dietary Fiber	0.6 g	2%
Sugars	22.2 g	N/A
Protein	3.6 g	7%

Note: Nutritional information is an estimate and may vary based on specific ingredients and portion sizes.

Variations & Substitutions

Gluten-Free: Substitute the all-purpose flour with a gluten-free blend. Be sure to use a blend that contains xanthan gum or add it separately for better binding.
Dairy-Free: Replace the butter with a dairy-free butter substitute and the cream cheese with a dairy-free cream cheese alternative. Use a plant-based milk like almond or soy milk.
Spice it up: Add chopped pecans or walnuts to the batter for extra crunch and flavor.
Chocolate Chips: Stir in some chocolate chips for a decadent twist.
Maple Syrup: Drizzle maple syrup over the bars after baking for added sweetness and a warm, autumnal flavor.

FAQs (Frequently Asked Questions)

Q: Can I use canned pumpkin pie filling instead of pure pumpkin?
A: No, canned pumpkin pie filling already contains spices and sugar, which will alter the flavor and texture of the bars. It’s best to use pure pumpkin puree.

Q: My bars are gummy. What did I do wrong?
A: Gummy bars are usually a sign of underbaking or overmixing. Make sure to bake the bars until a knife inserted into the center comes out clean, and avoid overmixing the batter after adding the flour.

Q: Can I freeze these bars?
A: Yes, these bars freeze well. Wrap them tightly in plastic wrap and then in foil or place them in a freezer-safe container. They can be frozen for up to 2 months.

Q: Can I reduce the amount of sugar in the recipe?
A: You can reduce the amount of sugar slightly, but keep in mind that sugar contributes to the texture and moisture of the bars. Reducing it too much may result in a drier or less tender product.

Q: What is the best way to soften cream cheese quickly?
A: To soften cream cheese quickly, you can microwave it in 15-second intervals, checking after each interval to avoid melting. Alternatively, you can place it in a resealable plastic bag and submerge it in warm water for a few minutes.

Final Thoughts

These Low-Fat Pumpkin Swirl Bars are the perfect treat for satisfying your autumnal cravings without the guilt. They are simple to make, incredibly delicious, and always a crowd-pleaser. Don’t be afraid to experiment with variations and make them your own. I encourage you to give this recipe a try and share your feedback! Pair these bars with a warm cup of spiced apple cider or a pumpkin spice latte for the ultimate fall experience. Happy baking!

Low-Fat Pumpkin Swirl Bars (Or Cake) Recipe