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Sourdough Brownies

Sourdough Brownies


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  • Author: Anna
  • Total Time: 40 minutes
  • Yield: 16 brownies 1x
  • Diet: Vegetarian

Description

Sourdough Brownies are rich, fudgy chocolate brownies made with sourdough discard for added depth, moisture, and a subtle tang. This easy dessert transforms leftover starter into a decadent treat with a crackly top and gooey center, perfect for chocolate lovers.


Ingredients

Scale
  • 1/2 cup unsalted butter (melted) – adds richness and creates a fudgy texture
  • 1/2 cup cocoa powder – provides deep chocolate flavor
  • 1 cup granulated sugar – sweetens and helps create a crackly top
  • 1/2 cup brown sugar – adds moisture and chewiness
  • 2 large eggs – bind ingredients and structure
  • 1/2 cup sourdough discard – adds moisture and enhances chocolate depth
  • 3/4 cup all-purpose flour – gives structure to the brownies
  • 1 tsp vanilla extract – enhances flavor balance
  • 1/2 tsp salt – intensifies chocolate taste
  • 1/2 tsp baking powder (optional) – adds slight lift
  • 1/2 cup chocolate chips (optional) – extra richness and texture

Instructions

  1. Preheat the oven to 350°F (175°C) and line an 8×8-inch baking pan with parchment paper.
  2. In a bowl, whisk together melted butter and cocoa powder until smooth and glossy.
  3. Add granulated sugar and brown sugar, then mix well until fully combined.
  4. Beat in the eggs and vanilla extract until the mixture becomes slightly thick and shiny.
  5. Fold in the sourdough discard until evenly incorporated into the batter.
  6. Sift in flour, salt, and baking powder, then gently fold until no dry streaks remain.
  7. Stir in chocolate chips if using, then pour batter into the prepared pan and smooth the top.
  8. Bake for 20–28 minutes, or until edges are set and the center is slightly soft but not wet.
  9. Allow brownies to cool completely before slicing for the best fudgy texture.

Notes

  • Do not overmix the batter once flour is added to keep brownies fudgy.
  • Use sourdough discard at room temperature for smoother blending.
  • For extra fudgy brownies, slightly underbake and let them set while cooling.
  • Brownies taste even better the next day as flavors deepen.
  • Store in an airtight container at room temperature for up to 4 days or refrigerate for longer shelf life.
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 brownie
  • Calories: 210 kcal
  • Sugar: 18 g
  • Sodium: 95 mg
  • Fat: 10 g
  • Saturated Fat: 6 g
  • Unsaturated Fat: 3 g
  • Trans Fat: 0 g
  • Carbohydrates: 28 g
  • Fiber: 2 g
  • Protein: 3 g
  • Cholesterol: 45 mg