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Sourdough Discard Chocolate Cake

sourdough chocolate cake on a plate next to a cup of coffee
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4 from 2 reviews

Super moist and fluffy chocolate cake with a secret ingredient–sourdough starter!

  • Author: Becky Schmieg
  • Prep Time: 20 minutes
  • Cook Time: 35 minutes
  • Total Time: 55 minutes
  • Yield: 12 1x
  • Category: Dessert
  • Cuisine: American

Ingredients

Units Scale

Sourdough Chocolate Cake

  • 1 1/4 cup all-purpose flour
  • 3/4 cup cocoa powder
  • 2 cups sugar
  • 1 tsp salt
  • 1 1/2 tsp baking powder
  • 1 1/2 tsp baking soda
  • 2 eggs
  • 1/2 cup oil (vegetable oil)
  • 2 tsp vanilla extract
  • 1/2 cup sourdough starter discard
  • 1 cup milk
  • 1 tbsp vinegar
  • 1/2 cup hot coffee

Chocolate Frosting

  • 1 cup butter (2 sticks at room temperature)
  • 2 cups powdered sugar
  • 1/2 cup cocoa powder
  • 1 tbsp milk
  • 1 tsp vanilla extract
  • pinch of salt

Instructions

Sourdough chocolate cake

  1. Preheat oven to 350.
  2. In a large mixing bowl combine flour, cocoa, sugar, baking powder, baking soda and salt using a whisk.
    dry ingredients for sourdough chocolate cake being whisked in a glass bowl
  3. Then add, oil, milk, eggs, vanilla, vinegar, sourdough starter and whisk vigorously until fully combined and no lumps remain (you can also use an electric mixer). Stir in the hot coffee.
  4. Pour batter into a greased 13 x 9 inch baking pan, batter will be thin. Bake for 25-35 minutes until a tooth pick inserted in the center comes out clean.
    cake batter being poured into a cake pan

Chocolate frosting

  1. In a large mixing bowl, use an electric mixer to beat softened butter until creamy.
  2. Add cocoa powder, powdered sugar, salt, vanilla and 1 tbsp milk, then beat until fully combined and creamy.
    chocolate frosting in a glass bowl
  3. Allow cake to cool fully before frosting. Use an off-set spatula to spread frosting on to cake. For best results, place all of the frosting on the center of the cake then gently spread outward to all corners.

Notes

Start testing the cake at 25 minutes and check every 5 minutes until its done

If you don’t have coffee or want to make it just for a cake, you can just use hot water

If you don’t want to use regular milk in the batter – I have subbed oat milk with good results!

 

 

Find it online: https://www.figjar.com/sourdough-discard-chocolate-cake/