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Two slices of sourdough lemon cake on a plate.

Sourdough Lemon Cake

Prep Time: 10 minutes
Cook Time: 1 hour
Total Time: 1 hour 10 minutes
Servings: 12 slices
Author: Amy Duska

Equipment

  • 9" x 5" bread loaf pan

Ingredients

Wet Ingredients

Dry Ingredients

  • 2 cups (240 g) all-purpose flour
  • ½ teaspoon (3 g) fine sea salt
  • 2 teaspoons (8 g) baking powder
  • ½ teaspoon (2 g) baking soda

Glaze

  • ½ cup (60 g) powdered sugar
  • 2 tablespoons (30 g) lemon juice

Instructions

  • Preheat your oven to 350°F (176°C) and lightly grease a 9" x 5" loaf pan with butter or cooking spray.
  • In a large mixing bowl, whisk together the flour, salt, baking powder, baking soda, and set aside. (If fermenting the batter overnight, omit the baking soda and baking powder and add it just before baking.)
  • Melt the butter in a bowl and add the sugar. Use a spatula to cream them together until smooth. Add the egg, sourdough discard, lemon juice, lemon zest, and applesauce, and mix until well combined. Pour the wet ingredients into the dry ingredients bowl and stir until just combined. Pour the batter into the loaf pan. (If fermenting overnight, cover the bowl and place in the fridge.)
  • Bake on the center rack for 55-60 minutes or until a toothpick inserted in the center comes out clean. Allow to cool for 15 minutes before transferring the cake to a wire rack.
  • Mix the powdered sugar and lemon juice in a small bowl and drizzle over the cake.
Nutrition Facts
Sourdough Lemon Cake
Amount Per Serving (1 slice)
Calories 255 Calories from Fat 72
% Daily Value*
Fat 8g12%
Carbohydrates 43g14%
Protein 3g6%
* Percent Daily Values are based on a 2000 calorie diet.

Notes

  • For best results, if you opt to ferment the batter overnight, it's necessary to take the batter out of the fridge and allow it to reach room temperature before incorporating the baking soda and baking powder. This step ensures that the leavening agents can effectively react and contribute to the cake's rise.