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+ servings
Baked sourdough discard brownies sliced into squares.
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5 from 2 votes

Sourdough Discard Brownies

Sourdough discard brownies are soft and fudgy, and take 35 minutes to bake! Uses ½ cup unfed sourdough discard and are super easy!
Prep Time5 minutes
Cook Time35 minutes
Total Time40 minutes
Course: Dessert
Cuisine: American
Servings: 16
Calories: 193kcal

Ingredients

  • ¾ cup salted butter, melted 170 g
  • ¾ cup cocoa powder 80 g
  • 1 ½ cups white sugar 340 g
  • 2 eggs
  • ½ cup sourdough discard, unfed 132 g
  • teaspoons vanilla
  • ½ cup all purpose flour 68 g
  • ¼ teaspoon salt 2 g
  • ½ cup semi-sweet chocolate chips, plus extra to sprinkle on top 100 g

Instructions

  • Preheat oven to 350 ℉. Line 9x9 inch baking pan with parchment paper.
  • In a small bowl or glass measuring cup, melt butter and mix in cocoa powder to let it "bloom". Set aside.
    ¾ cup salted butter, melted, ¾ cup cocoa powder
  • In a mixing bowl, combine white sugar, eggs, sourdough discard, and vanilla and mix for 2-3 minutes until white and sugar is dissolving. You can whisk or use an electric mixer.
    1 ½ cups white sugar, 2 eggs, ½ cup sourdough discard, unfed, 1½ teaspoons vanilla
  • Add in the butter/cocoa powder mixture and mix well.
  • Add in the flour and salt and mix well until all the flour pockets are gone.
    ½ cup all purpose flour, ¼ teaspoon salt
  • Fold in chocolate chips last.
    ½ cup semi-sweet chocolate chips, plus extra to sprinkle on top
  • Transfer to prepared 9x9 inch baking pan and bake for 35-40 minutes until inserted knife comes out clean. Let cool for 30 minutes before slicing for neater slices. Enjoy!

Notes

Sourdough discard substitution: this recipe calls for ½ cup, so use ¼ cup (34g) of flour and ⅓ cup water (80 g).
TIP: Wait for at least an hour before cutting for neater slices, and use a plastic knife. Trust me. 
Can be stored in an airtight container at room temperature for up to 3 days. If they last that long! 
Freeze for up to 3 months, separate with parchment paper to prevent sticking together. 

Nutrition

Calories: 193kcal | Carbohydrates: 27g | Protein: 2g | Fat: 10g | Saturated Fat: 6g | Polyunsaturated Fat: 0.5g | Monounsaturated Fat: 3g | Cholesterol: 43mg | Sodium: 114mg | Potassium: 77mg | Fiber: 2g | Sugar: 22g | Vitamin A: 296IU | Calcium: 12mg | Iron: 1mg