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Sourdough Blueberry Muffins {with Crumble Topping}

When enjoyed fresh from the oven, these bakery style muffins are a warm breakfast, or snack, that is bursting with sweet blueberries.
Prep Time:10 minutes
Cook Time:25 minutes
Total Time:35 minutes
Keyword: blueberry muffins, muffins, sourdough muffins
Servings: 12

Ingredients

Crumble Topping

  • 3/4 cup all-purpose flour
  • 1/4 cup light brown sugar packed
  • 1/4 cup sugar
  • 1/2 teaspoon ground cinnamon
  • 1/8 teaspoon salt
  • 3 tablespoons unsalted butter melted

Muffins

  • 2 cups all-purpose flour
  • 1 cup sugar
  • 2 teaspoons baking powder
  • 1/2 teaspoon baking soda
  • 1 teaspoon cinnamon
  • 1/2 teaspoon salt
  • 8 tablespoons unsalted butter melted
  • 2 large eggs
  • 1/2 cup sourdough starter discard
  • 1 teaspoon vanilla
  • 1 cup blueberries

Instructions

Crumble Topping

  • In a small mixing bowl, whisk together dry ingredients: all-purpose flour, light brown sugar, sugar, ground cinnamon and salt.
  • Then, melt unsalted butter and drizzle over the dry ingredients. Mix together until well combined and large crumbles appear.
  • Set aside the crumble topping.

Muffins

  • Preheat oven to 350°F. Grease 12 count muffin tin with coconut oil or line your muffins tins with muffin cups.
  • In a large mixing bowl, whisk together milk, melted butter, sourdough discard, eggs and vanilla extract.
  • Add flour, sugar, baking powder, baking soda, ground cinnamon and salt into the wet mixture and stir until combined, being careful not to overmix the batter.
  • Gently fold in blueberries. Then, evenly divide the muffin mixture among 12 muffin cups.
  • Distribute the crumble topping onto muffins, equally and lightly press into the muffin batter. Bake muffins on the center rack for 20 - 25 minutes at 350°F.
    Tip!
    Stick a toothpick through the center of a muffin. If it comes out clean, or with a tiny crumb, your muffins are done.
  • Let the muffins cool in the muffin tins for 5 to 10 minutes before transferring them to a cooling rack.

Notes

These muffins can be stored at room temperature, in an airtight container, for up to 5 days.