Image of Sourdough Blueberry Muffins

Sourdough Blueberry Muffins

Prep Time: 15 min
Cook Time: 20 min

Ingredients

  • 1 cup fresh blueberries
  • 2 teaspoons all-purpose flour
  • 1 cup all-purpose flour
  • 1 teaspoon baking soda
  • ½ teaspoon ground cinnamon
  • ¼ teaspoon salt
  • 1 cup sourdough starter, at room temperature
  • ¼ cup white sugar
  • 1 egg
  • ¼ cup unsalted butter, melted and cooled
  • 1 teaspoon vanilla extract
  • ½ cup white sugar
  • ⅓ cup all-purpose flour
  • ¼ cup unsalted butter
  • 1 ½ teaspoons ground cinnamon