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square of sourdough coffee cake on white plate
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5 from 10 votes

Sourdough Coffee Cake with Cinnamon Streusel Topping

This moist and tender sour cream coffee cake will be a family favorite.  Uses all pantry ingredients and is a great way to use your sourdough starter!
Prep Time20 mins
Cook Time40 mins
Total Time1 hr
Course: Breakfast
Cuisine: American
Keyword: coffee cake with sourdough starter, sourdough cinnamon sugar breakfast cake, sourdough coffee cake
Servings: 12 pieces
Calories: 277kcal
Author: Katie Shaw

Ingredients

for the cake:

  • 1/2 cup butter softened
  • 1 cup granulated sugar
  • 2 eggs
  • 1 teaspoon vanilla
  • 2 cups all purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 cup sourdough starter
  • 1/2 cup sour cream or greek yogurt

for the topping

  • 1/4 cup cold butter diced
  • 1/4 cup all purpose flour
  • 1/2 cup brown sugar
  • 1 1/2 teaspoons cinnamon

Instructions

  • Preheat the oven to 350 degrees with the rack in the center.   Prepare a 9 x 9 or 8 x 8 square pan with non stick cooking spray.
  • Beat the butter and sugar in an electric stand mixer until combined.  Add the eggs and vanilla and beat until fluffy. Combine the dry ingredients in a separate mixing bowl.  Add to the butter mixture, 1/3 at a time, alternating with the sourdough starter and sour cream.  Mix gently until just combined.
  • To make the topping, cut the butter into the flour until it is the size of peas.  Stir in the brown sugar and cinnamon.
  • Layer half of the cake batter into the prepared pan.  Sprinkle half of the topping on the cake batter.  Gently spread the remaining cake batter on top, and top with the rest of the topping.  
  • Bake for 40-45 minutes, until a toothpick inserted into the center comes out clean.  Cool in the pan for at least 15 minutes.  Serve in squares directly out of the pan.

Notes

You can use fed or unfed sourdough starter in this recipe.  
If you only have a small amount of starter to discard,  use 1/4 cup of starter and 3/4 cup of sour cream

Nutrition

Calories: 277kcal | Carbohydrates: 50g | Protein: 4g | Fat: 7g | Saturated Fat: 2g | Cholesterol: 33mg | Sodium: 254mg | Potassium: 72mg | Fiber: 1g | Sugar: 29g | Vitamin A: 285IU | Vitamin C: 1mg | Calcium: 60mg | Iron: 1mg