Welcome to the heart of fall baking. These Sourdough Pumpkin Bars offer a delightful way to utilize that extra sourdough discard. Soft, fluffy, and bursting with warm spice, they represent the quintessential homemade pumpkin dessert. Topped with a generous layer of rich, tangy cream cheese frosting, this recipe brings comfort and flavor to any autumn gathering. It requires no complex techniques, making it an accessible option for both novice and experienced bakers seeking delicious fall baking recipes. These bars are a prime example of a comforting sourdough discard dessert, transforming simple ingredients into a memorable treat.
Why Bake with Sourdough Discard?
Baking with sourdough discard is a practice of both resourcefulness and flavor enhancement. Instead of letting your unfed starter go to waste, incorporating it into baked goods like these bars adds a unique dimension. The discard contributes significant moisture to the batter, resulting in an exceptionally tender crumb. It also imparts a subtle, pleasant tang that beautifully balances the sweetness of the pumpkin and spices. This slight acidity elevates the overall flavor profile without dominating it. Beyond flavor, sourdough discard acts as a natural binding agent, lending structure to cakes and bars. It is a fantastic way to experiment with various discard baking ideas, extending the utility of your starter beyond just bread. This method helps reduce food waste while introducing complex flavors and superior textures into your baked creations.
Ingredient Breakdown
Crafting the perfect spiced pumpkin cake requires attention to each component. Here is a closer look at what goes into these delectable bars.
For the Spiced Cake
* Sourdough Discard: You will need 1/2 cup of unfed sourdough starter. This key ingredient contributes moisture and a delicate tang.
* Pumpkin Puree: One standard 15 oz can is essential. Ensure it is pure pumpkin and not pumpkin pie filling, which contains added spices and sugar.
* Flour: Use 1.5 cups of all-purpose flour. This provides the necessary structure for the bars.
* Sugars: The recipe calls for 1 cup granulated sugar and 1/2 cup brown sugar. The combination ensures a balanced sweetness and adds moisture to the cake.
* Eggs: Three large eggs are used to bind the batter ingredients together, adding richness and contributing to the texture.
* Oil: 1/2 cup vegetable oil helps create a wonderfully soft and fluffy texture in the finished bars.
* Leaveners: A combination of 1 tsp baking powder and 1 tsp baking soda ensures a proper rise and tender crumb.
* Spices: 2 tsp pumpkin pie spice provides the classic fall flavor. Additionally, 1/2 tsp salt is included to balance the sweetness and enhance all the flavors. These spices contribute to the inviting aroma of cinnamon spiced treats.
For the Cream Cheese Frosting
A rich and creamy frosting is a must for any exceptional pumpkin bar.
* Cream Cheese: You will need 8 oz of cream cheese, softened to room temperature. This forms the base of the luxurious frosting.
* Butter: 1/2 cup unsalted butter, also softened, adds richness and helps create a smooth consistency.
* Powdered Sugar: 3 cups powdered sugar, sifted, ensures a smooth, lump-free frosting.
* Vanilla Extract: 1 tsp vanilla extract provides a warm, complementary flavor to the sweet and tangy frosting, making these truly irresistible cream cheese frosted bars.
Step-by-Step Instructions
Follow these steps carefully to achieve perfectly moist and flavorful Sourdough Pumpkin Bars.
1. Preparation: Begin by preheating your oven to 350°F (175°C). Take a 9×13-inch baking dish and thoroughly grease it. This step prevents sticking and ensures easy removal of the bars.
2. Dry Ingredients: In a medium-sized mixing bowl, combine the 1.5 cups all-purpose flour, 1 tsp baking powder, 1 tsp baking soda, 2 tsp pumpkin pie spice, and 1/2 tsp salt. Whisk these dry ingredients together until they are well combined. This ensures even distribution throughout the batter.
3. Wet Ingredients: In a larger mixing bowl, whisk together the 15 oz can of pumpkin puree, 1 cup granulated sugar, 1/2 cup brown sugar, 3 large eggs, 1/2 cup vegetable oil, and the 1/2 cup sourdough discard. Continue whisking until the mixture is smooth and fully incorporated.
4. Combine: Gently fold the dry ingredients into the wet mixture. Use a spatula to mix until *just* combined. Avoid overmixing, as this can lead to tough bars. A few streaks of flour are acceptable; they will disappear during baking.
5. Bake: Pour the prepared batter evenly into your greased 9×13-inch baking pan. Place the pan in the preheated oven and bake for 25 to 30 minutes. The bars are ready when a toothpick inserted into the center comes out clean. Once baked, remove the pan from the oven and allow the spiced pumpkin cake to cool completely on a wire rack before frosting. Cooling is crucial for the frosting to set properly.
6. Make the Frosting: While the bars cool, prepare the cream cheese frosting. In a stand mixer or with a hand mixer, beat the 8 oz softened cream cheese and 1/2 cup softened unsalted butter together until the mixture is smooth and creamy. Gradually add the 3 cups sifted powdered sugar, one cup at a time, beating well after each addition. Finish by adding 1 tsp vanilla extract and beat until the frosting is light and fluffy.
7. Frost and Serve: Once the pumpkin bars are entirely cool, spread the creamy cream cheese frosted bars generously and evenly over the top using an offset spatula or knife. Slice the frosted bars into squares and serve.
Baking Tips for Perfect Bars
Achieving the perfect texture and flavor in your Sourdough Pumpkin Bars is simple with a few key considerations.
* Room Temperature Ingredients: Always ensure your eggs, cream cheese, and butter are at room temperature. This is vital for both the cake batter and the frosting. Room temperature ingredients emulsify more effectively, preventing a lumpy batter and yielding a smoother, creamier frosting. Cold ingredients can cause the batter to seize and the frosting to be uneven.
* Do Not Overmix: When combining the wet and dry ingredients for the cake, mix only until no streaks of flour remain. Overmixing develops the gluten in the flour, which can result in tough, dense bars instead of the desired tender texture. Gentle folding is key.
* Custom Spices: If you do not have pre-mixed pumpkin pie spice, you can easily create your own blend. A common and delicious combination includes 1 tsp ground cinnamon, 1/2 tsp ground ginger, 1/4 tsp ground nutmeg, and a pinch of ground cloves. This homemade blend often yields a fresher, more vibrant flavor profile, enhancing these cinnamon spiced treats.
Storage Guidelines
Due to the dairy content in the cream cheese frosting, proper storage is essential to maintain freshness and safety. Store any leftover Sourdough Pumpkin Bars in an airtight container. Keep them refrigerated for up to 5 days. For longer storage, you can freeze unfrosted slices. Wrap individual slices tightly in plastic wrap, then place them in a freezer-safe bag or container. They will keep well in the freezer for up to 3 months. Thaw frozen bars in the refrigerator before serving.
Frequently Asked Questions
Here are answers to some common questions about baking these homemade pumpkin dessert bars.
* Can I use active starter? While it is technically possible to use active starter, discard typically provides the best texture for this recipe. Active starter might introduce unwanted rise due to its leavening power, which could alter the dense, moist crumb intended for these bars. Furthermore, active starter can impart a stronger sourness than discard, which might not be desirable for a sweet dessert. Discard offers the perfect balance without adding excessive sourness or altering the intended structure.
* Can I use fresh pumpkin? Canned pumpkin puree is generally recommended for its consistent moisture level and smooth texture. Homemade pumpkin puree can be used, but it often contains more water. If using homemade puree, ensure it is well-drained to avoid a watery batter. Excess moisture could lead to a less dense bar or extend baking time. For best results and consistency, stick to the standard 15 oz can of pure pumpkin puree.
These Sourdough Pumpkin Bars are a comforting addition to your autumn baking repertoire. They perfectly blend the subtle tang of sourdough discard with the warm spices of pumpkin, all crowned with a luscious cream cheese frosting. Whether you are looking for new discard baking ideas or simply craving a classic sourdough discard dessert, this recipe delivers on all fronts. Give these bars a try for your next gathering or a cozy evening at home. For more baking inspiration and behind-the-scenes content, follow our Facebook page: Flour & Flavor Finds.
Soft Sourdough Discard Pumpkin Bars
Ingredients
- 1/2 cup sourdough discard unfed, room temperature
- 15 oz pumpkin puree pure, not pie filling
- 1.5 cup all-purpose flour spooned and leveled
- 1 cup granulated sugar
- 1/2 cup light brown sugar packed
- 3 eggs large, room temperature
- 1/2 cup vegetable oil
- 1 tsp baking powder
- 1 tsp baking soda
- 2 tsp pumpkin pie spice
- 1/2 tsp salt
- 8 oz cream cheese softened
- 1/2 cup unsalted butter softened
- 3 cup powdered sugar sifted
- 1 tsp vanilla extract
Instructions
- Preheat oven to 350°F (175°C). Grease a 9x13-inch baking dish.
- In a medium bowl, whisk together the flour, baking powder, baking soda, pumpkin pie spice, and salt.
- In a large bowl, whisk the pumpkin puree, granulated sugar, brown sugar, eggs, vegetable oil, and the discard until smooth.
- Gently fold the dry ingredients into the wet mixture until just combined. Do not overmix.
- Pour the batter into the prepared pan and bake for 25 to 30 minutes, or until a toothpick inserted into the center comes out clean. Let the cake cool completely.
- To make the frosting, beat the softened cream cheese and butter together until smooth.
- Gradually add the powdered sugar and vanilla extract to the butter mixture, beating until creamy.
- Spread the frosting evenly over the cooled cake, slice, and serve.
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