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chocolate cake on white plate with fork
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5 from 2 votes

Sourdough Chocolate Snack Cake

This sourdough chocolate snack cake is the best of both worlds! Quick and easy to make, uses discard starter, and is just sweet enough to satisfy.
Prep Time5 mins
Cook Time25 mins
Course: Snack
Cuisine: American
Keyword: chocolate, snack cake, sourdough
Servings: 16 pieces
Calories: 107kcal
Author: Cery


  • ½ c sourdough starter unfed or discard
  • 4 eggs
  • ¾ c raw chocolate powder OR cocoa powder
  • ½ c granulated sugar
  • ½ c butter
  • ½ tsp vanilla
  • tsp sea salt
  • ½ tsp baking soda


  • Preheat your oven to 350° F.
  • Butter an 8 x 8” or 9 x 9” baking dish.
  • In a medium saucepan, melt the butter and the sugar over medium heat. Don't heat for too long, just enough to barely melt the butter. Whisk together until smooth.
  • Add the the dry ingredients into the butter and sugar mixture and beat until smooth.
  • Add the vanilla and sourdough starter and whisk again until it's well mixed.
  • Add eggs, one at a time, beating well after each addition.
  • The batter should be thin, not like a regular cake batter.
  • Pour the batter into your buttered baking dish.
  • Pop the cake into a preheated oven and bake for 25-30 minutes, or until it tests done with a toothpick.
  • The edges should be pulling away from the sides, but the center will be a little soft.
  • Put the pan on a wire rack to cool for at least 10 minutes before cutting.


This cake is awesome warm right out of the oven. I like to put a little smear of butter on the top.
It's very lightly sweet, so if you want to add some icing it won't be too sweet. You could just dust it with some powdered sugar, or add a nice buttercream.


Calories: 107kcal | Carbohydrates: 10g | Protein: 2g | Fat: 7g | Saturated Fat: 4g | Cholesterol: 56mg | Sodium: 125mg | Potassium: 77mg | Fiber: 1g | Sugar: 6g | Vitamin A: 237IU | Calcium: 13mg | Iron: 1mg