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Lemon Sourdough Discard Cake

A bright and tangy cake made from sourdough discard that turns pantry staples into a delicious dessert.
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Course Dessert, Snack
Cuisine American
Servings 8 servings
Calories 200 kcal

Ingredients
  

Wet Ingredients

  • 1 cup active sourdough starter discard unfed or recently fed
  • 1 cup granulated sugar swap to coconut sugar for a nuttier flavor
  • 2 large eggs at room temperature
  • 1/2 cup plain yogurt or sour cream use dairy-free yogurt for a vegan-friendly swap
  • 1/2 cup vegetable oil or melted butter oil keeps it ultra-moist; butter gives flavor
  • 2 tablespoons lemon zest from about 2 lemons
  • 1/4 cup fresh lemon juice brightens the crumb
  • 1 teaspoon vanilla extract rounds the flavors

Dry Ingredients

  • 2 cups all-purpose flour try half whole wheat for a nuttier crumb
  • 2 teaspoons baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt balances sweetness

Instructions
 

Preparation

  • Preheat your oven to 350°F (175°C). Grease and flour a 9-inch round pan or line a loaf pan.
  • In a large bowl, whisk together the sourdough discard, sugar, eggs, yogurt, oil, lemon zest, lemon juice, and vanilla until smooth and glossy.
  • In a separate bowl, sift together the flour, baking powder, baking soda, and salt.
  • Gradually fold the dry ingredients into the wet batter until just combined.

Baking

  • Pour the batter into the prepared pan and tap the pan once on the counter.
  • Bake for 35–45 minutes until golden and a toothpick comes out with moist crumbs but no raw batter.
  • Cool in the pan for 10 minutes, then transfer to a wire rack.
  • For a glaze, whisk 1 cup powdered sugar with 2 tablespoons lemon juice and drizzle over the cake.

Notes

For best results, zest first then juice. Use room temperature eggs for better emulsification. Don't overmix to keep the cake tender.
Keyword Baking, Comfort Food, Dessert, Lemon Sourdough Discard Cake, Sourdough Cake