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Best sourdough pumpkin muffins with oat crumble topping on wooden board

The Best Sourdough Pumpkin Muffin Recipe You'll Adore

Enjoy incredibly moist and flavorful sourdough pumpkin muffins, elevated with a spiced oat crumble topping. This recipe offers both a quick method and a long-fermented option for deeper flavor.
Prep Time 20 minutes
Cook Time 25 minutes
Total Time 45 minutes
Course Breakfast, Dessert, Snack
Cuisine American
Servings 12 muffins

Equipment

  • muffin tin
  • mixing bowls
  • whisk
  • Stand mixer (recommended for long fermented method)
  • toothpick

Ingredients
  

  • Butter (unsalted preferred)
  • 1 cup Brown sugar
  • 1 cup Pumpkin puree (canned or homemade) Use pure pumpkin puree, not pumpkin pie filling.
  • 2 Eggs
  • 1 cup Sourdough starter discard Active starter or discard; for tangier flavor, use discard not fed for a day or allow long fermentation. For milder flavor, use active starter.
  • 1 tsp Vanilla extract
  • 2.5 cups All-purpose flour
  • 1 tsp Baking soda
  • 1 tsp Baking powder
  • 0.5 tsp Salt
  • 2 tsp Pumpkin spice

Crumble Topping

  • 0.25 cup Softened butter
  • 0.5 cup Brown sugar
  • 0.5 cup All-purpose flour Can be substituted with einkorn flour.
  • 0.5 cup Oats Old fashioned or quick
  • 1 tsp Pumpkin spice

Instructions
 

Quick Method

  • Preheat oven to 350°F and prepare your muffin tin by greasing or lining it.
  • Beat melted butter and brown sugar until fluffy, then add eggs, vanilla, pumpkin puree, and sourdough starter. Combine dry ingredients (flour, baking soda, baking powder, pumpkin spice, salt) separately.
  • Gradually add the dry ingredients to the wet mixture in thirds, mixing until just incorporated to avoid over-mixing.
  • Prepare the crumble topping by mixing softened butter, brown sugar, flour, oats, and pumpkin spice until combined.
  • Fill muffin wells with batter, top with crumble, and bake for 20-25 minutes until a toothpick inserted comes out clean. Cool on a wire rack.

Long Fermented Method

  • 12-24 hours before baking, mix sourdough starter, melted butter, eggs, and flour. Ferment at room temperature for 6 hours, then refrigerate for 6-18 hours.
  • The next day, preheat oven to 350°F. In a stand mixer, combine brown sugar, vanilla, pumpkin puree, pumpkin spice, salt, baking powder, and baking soda.
  • Add the fermented sourdough mixture to the stand mixer and combine until just incorporated. Prepare the crumble topping as described in the quick method.
  • Pour the batter into the muffin pan, top with crumble, and bake for 20-25 minutes until a toothpick comes out clean. Cool on a wire rack.

Notes

For a sweeter muffin without the crumble, add an extra 1/4 cup of brown sugar to the batter. Ensure you use pure pumpkin puree, not pie filling. For a tangier flavor, use sourdough discard that hasn't been fed recently or allow for longer fermentation. Do not over-mix the batter to ensure a tender crumb.
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