Prep Time: 15 minutes
Cook Time: 20-25 minutes
Total Time: 40 minutes (plus overnight fermentation if desired)
Difficulty Level: Easy
Servings: 12 muffins
Description
These Sourdough Blueberry Muffins are a delicious way to use your sourdough discard while adding a tangy depth of flavor. Soft, moist, and bursting with juicy blueberries, these muffins make a perfect breakfast or snack. The optional overnight fermentation enhances digestibility and flavor.
Ingredients
Dry Ingredients:
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2 cups (250g) all-purpose flour
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½ cup (100g) granulated sugar
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1 tsp baking powder
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½ tsp baking soda
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½ tsp salt
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1 tsp cinnamon (optional)
Wet Ingredients:
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1 cup (240g) sourdough starter (unfed/discard)
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½ cup (120ml) milk (or plant-based milk)
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1 large egg
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¼ cup (60ml) melted butter (or coconut oil)
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1 tsp vanilla extract
Add-ins:
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1 cup (150g) fresh or frozen blueberries
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1 tbsp flour (to coat blueberries)
Optional Topping:
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2 tbsp turbinado sugar (for crunch)
Instructions
1. Prepare the Batter (Option 1: Quick Mix)
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Preheat oven to 375°F (190°C). Line a muffin tin with paper liners or grease well.
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Mix dry ingredients: In a large bowl, whisk together flour, sugar, baking powder, baking soda, salt, and cinnamon.
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Mix wet ingredients: In another bowl, combine sourdough discard, milk, egg, melted butter, and vanilla.
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Combine: Pour wet ingredients into dry ingredients and mix until just combined (do not overmix).
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Coat blueberries: Toss blueberries in 1 tbsp flour (to prevent sinking), then gently fold into the batter.
Option 2: Overnight Fermentation (Enhanced Flavor & Digestibility)
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Night before: Mix sourdough discard, milk, and 1 cup of flour. Cover and let sit at room temperature for 8-12 hours.
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Next day: Add remaining dry ingredients, egg, butter, vanilla, and blueberries. Proceed with baking.
2. Bake the Muffins
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Fill muffin cups ¾ full and sprinkle with turbinado sugar (optional).
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Bake for 20-25 minutes until golden and a toothpick comes out clean.
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Cool for 5 minutes in the pan, then transfer to a wire rack.
Storage & Serving
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Best served warm with butter or a drizzle of honey.
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Store in an airtight container for up to 3 days or freeze for up to 1 month.
Nutritional Information (Per Muffin)
Calories | Carbs | Protein | Fat | Fiber | Sugar |
---|---|---|---|---|---|
180 kcal | 30g | 4g | 5g | 1g | 12g |
Notes:
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For healthier muffins, reduce sugar to ¼ cup or substitute with honey/maple syrup.
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Gluten-free? Use a 1:1 GF flour blend.
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Vegan? Replace egg with 1 flax egg (1 tbsp flaxseed + 3 tbsp water).
Enjoy these tangy, fluffy Sourdough Blueberry Muffins—perfect for breakfast or a sweet treat!

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