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Sourdough Brownies Recipe

Sourdough Brownies

Rich and fudgy sourdough brownies with gooey centers and shiny crackly tops, perfect for chocolate lovers craving decadent dessert.
Prep Time 25 minutes
Cook Time 35 minutes
Total Time 1 hour
Course baking, Dessert
Cuisine American
Servings 16 people
Calories 302 kcal

Equipment

  • 1 9" x 9" baking dish
  • 1 parchment paper
  • 1 small saucepan
  • 1 electric mixer
  • 1 large mixing bowl
  • 1 spatula

Ingredients
  

  • 8 tablespoons unsalted butter
  • 12 oz semi-sweet chocolate chips
  • ½ cup dutched cocoa powder or regular cocoa powder
  • 2 teaspoons vanilla extract
  • 2 large eggs
  • 1 egg yolk
  • 1 cup granulated sugar
  • ½ cup dark brown sugar
  • ½ cup sourdough starter discard
  • 1 cup all-purpose flour
  • 1 teaspoon salt

Instructions
 

  • Preheat oven to 350°F and line a 9" x 9" baking dish with parchment paper.
  • Melt butter in a small saucepan over low heat; add chocolate chips, vanilla extract, and cocoa powder.
  • Stir until chocolate is melted and mixture is smooth, then remove from heat and let cool.
  • In a large bowl, beat eggs, granulated sugar, and brown sugar with an electric mixer for 7 to 10 minutes.
  • Add sourdough discard and cooled chocolate mixture; beat on low speed until combined.
  • Fold in flour and salt with a spatula until just combined; batter will be thick.
  • Pour batter into prepared baking dish and smooth the top.
  • Bake for 35 to 40 minutes until edges are set but center remains gooey.
  • Cool brownies completely in the pan, then lift out using parchment paper and cut into squares.

Notes

  • Store cooled brownies in an airtight container at room temperature up to 7 days.
  • Freeze individual brownies wrapped in plastic wrap for up to 3 months.
  • Reheat thawed brownies in microwave for 10-15 seconds for best texture.