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Sourdough Coffee Cake Muffins

Freshly prepared sourdough coffee cake muffins close-up

These Sourdough Coffee Cake Muffins combine the tangy flavor of sourdough starter with a cinnamon-sugar streusel topping, making a perfect moist and tender treat for breakfast or snack time.

Ingredients

Scale
  • 1 cup sourdough starter (active and bubbly)
  • 1/2 cup granulated sugar
  • 1/4 cup brown sugar, packed
  • 1/2 cup unsalted butter, melted
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 teaspoon ground cinnamon
  • Streusel Topping: 1/4 cup brown sugar, 2 tablespoons all-purpose flour, 1/4 teaspoon ground cinnamon, 3 tablespoons cold unsalted butter, cubed

Instructions

  1. Preheat oven to 350°F (175°C) and line a muffin tin with paper liners.
  2. In a large mixing bowl, whisk together the sourdough starter, granulated sugar, brown sugar, melted butter, eggs, and vanilla extract until smooth.
  3. In another bowl, sift together the flour, baking powder, baking soda, salt, and cinnamon.
  4. Gradually add the dry ingredients to the wet ingredients, folding gently until just combined. Do not overmix.
  5. Prepare the streusel topping by mixing brown sugar, flour, and cinnamon. Cut in cold butter with a pastry cutter or fork until mixture resembles coarse crumbs.
  6. Divide the muffin batter evenly among the prepared muffin cups, filling each about 3/4 full.
  7. Sprinkle the streusel topping generously over each muffin.
  8. Bake for 18-22 minutes or until a toothpick inserted into the center comes out clean.
  9. Allow muffins to cool in the pan for 5 minutes, then transfer to a wire rack to cool completely.

Notes

For extra flavor, add 1/2 cup chopped nuts or blueberries to the batter before baking.