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Perfect Pumpkin Sourdough Discard Bread (Easy No-Waste Recipe)

pumpkin sourdough discard bread - featured image

This pumpkin sourdough discard bread turns leftover starter into a tender, moist quick bread with a subtle tang. It’s a no-waste recipe that comes together in 15 minutes and uses a full cup of discard.

Ingredients

Scale
  • 1 cup sourdough discard (unfed, straight from the fridge)
  • 1 cup pumpkin puree (not pumpkin pie filling)
  • 1/2 cup neutral oil (avocado or vegetable)
  • 1/2 cup brown sugar, packed
  • 1/4 cup granulated sugar
  • 2 large eggs (room temperature)
  • 1 teaspoon vanilla extract
  • 1 3/4 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon salt
  • 2 teaspoons pumpkin pie spice
  • 1 teaspoon cinnamon (extra)
  • 1/2 cup chocolate chips (optional)
  • 1/2 cup chopped pecans or walnuts (optional)
  • 1/4 cup pepitas (pumpkin seeds) (optional)

Instructions

  1. Preheat your oven to 350°F (175°C). Position the rack in the center of the oven. Line your 9×5-inch loaf pan with parchment paper, leaving a 2-inch overhang on the long sides. Lightly grease the exposed ends of the pan with cooking spray or butter.
  2. In a medium bowl, whisk together the flour, baking soda, baking powder, salt, pumpkin pie spice, and extra cinnamon. Whisk for about 20 seconds to aerate and distribute evenly. Set aside.
  3. In a large bowl, whisk together the sourdough discard, pumpkin puree, oil, brown sugar, granulated sugar, eggs, and vanilla extract until smooth and well combined.
  4. Pour the dry ingredients into the wet ingredients. Use a rubber spatula to fold gently until no streaks of flour remain. A few small lumps are fine—do not overmix.
  5. If using chocolate chips, nuts, or other add-ins, gently fold them in with about 5-6 strokes.
  6. Scrape the batter into the prepared loaf pan and spread evenly. If using pepitas, sprinkle on top and press in lightly.
  7. Bake for 50-60 minutes. At the 30-minute mark, check the top—if browning too quickly, tent loosely with aluminum foil.
  8. At 50 minutes, insert a toothpick into the center. If it comes out clean or with a few moist crumbs, it’s done. Internal temperature should read 200-205°F (93-96°C).
  9. Let the bread cool in the pan for 15 minutes. Then lift out using the parchment sling and transfer to a wire cooling rack. Cool completely before slicing (about 1-2 hours).

Notes

Don’t overmix the batter—lumps are fine. Room temperature ingredients help create a tender crumb. Check baking soda freshness by dropping a pinch into vinegar; it should fizz vigorously. Let the bread cool completely before slicing to avoid gummy texture. The bread tastes even better the next day as flavors meld.

Nutrition

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