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Blackberry sourdough discard muffins and bread on wooden board

Blackberry Sourdough Discard Cake


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  • Author: Olivia
  • Total Time: 1 hour 10 minutes
  • Yield: 9 servings
  • Diet: Vegetarian

Description

This Blackberry Sourdough Discard Cake is a moist, tangy, and sweet treat that transforms kitchen leftovers into something irresistible. Packed with fresh blackberries and made with sourdough discard, it’s an easy and flavorful way to reduce waste and celebrate simple ingredients.


Ingredients

  • 1 ¾ cups all-purpose flour
  • 1 ½ tsp baking powder
  • ½ tsp baking soda
  • ½ tsp salt
  • ½ cup butter, melted
  • 2 large eggs
  • 1 cup granulated sugar
  • ½ cup milk
  • ½ cup sourdough discard (preferably refrigerated, not too sour)
  • 1 ½ cups fresh blackberries
  • 1 tbsp flour (for tossing blackberries)
  • Optional: extra blackberries and whipped cream for topping


Instructions

  1. Preheat your oven: Set to 360°F. Grease an 8×8 baking dish and set aside.
  2. Mix dry ingredients: In a small mixing bowl, whisk together the flour, baking powder, baking soda, and salt. Set aside.
  3. Combine wet ingredients: In a medium bowl, whisk the eggs, sugar, and milk until smooth. Slowly mix in the melted butter and sourdough discard until fully combined.
  4. Incorporate the dry: Gradually whisk the dry ingredients into the wet mixture until no dry bits remain.
  5. Prep the berries: Toss the blackberries with 1 tablespoon of flour, then gently fold them into the batter.
  6. Bake: Pour the batter into your prepared baking dish. Top with a few extra blackberries. Bake for 50–60 minutes, or until a toothpick inserted into the center comes out clean.
  7. Cool and serve: Let the cake cool before slicing. Serve with whipped cream and extra berries, if desired.

Notes

For best flavor, use discard that’s no more than a week old. Don’t overmix the batter—gentle folding keeps the cake tender. Frozen blackberries can be used, but may slightly increase baking time.

  • Prep Time: 15 minutes
  • Cook Time: 55 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: French-American