Sourdough Blueberry Muffins

By Bren

5.0 / 5

15min

20min

See on AllRecipes

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