Go Back
+ servings
A close up of the stacked sourdough blondies.

Decadent Sourdough Blondies

Full of chocolate chips and a great use for your sourdough discard, these Sourdough Blondies are so easy and so decadent!
Prep Time 5 mins
Cook Time 30 mins
Course Dessert
Cuisine American
Servings 12 Blondies
Calories 332 kcal


  • 1 cup All Purpose Flour
  • ½ teaspoon Baking Powder
  • ½ cup Butter Softened
  • 1 cup Brown Sugar
  • 1 Egg
  • 2 teaspoon Vanilla Extract
  • ½ cup Sourdough Discard Unfed, Inactive
  • 1 ½ cup Semi-Sweet Chocolate Chips


  • Preheat the oven to 375 degrees.
  • In a small bowl, mix together the flour and baking powder. Set that aside.
  • In the bowl of a stand mixer or in a large bowl, add the butter and brown sugar. Mix well until combined and the mixture is light and fluffy.
  • Add the egg and vanilla extract. Mix again until combined.
  • Add the sourdough discard and mix until fully combined.
  • Pour the flour mixture into the bowl and mix until all the ingredients are combined. Do not over mix the batter.
  • With a wooden spoon or a spatula, fold the chocolate chips into the batter.
  • Line a baking sheet with parchment paper. Pour the batter into the baking dish and bake for 30-40 minutes or until golden brown and cooked through.


  • Do not overmix the batter. Once the flour is added to the mixture, do not overmix. Mix the batter until it is just combined. Overmixing the batter will cause the blondies to be tough.
  • Do not overbake the blondies. After 30 minutes, check the blondies to see if they are done. If they overbake, they will be dry.
  • Change up the mix-ins! Use white chocolate, craisins, walnuts, pecans, or peanut butter cups in the blondies. You can even search them plain without any add-ins!


Calories: 332kcalCarbohydrates: 42gProtein: 4gFat: 17gSaturated Fat: 10gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gTrans Fat: 1gCholesterol: 35mgSodium: 91mgPotassium: 177mgFiber: 2gSugar: 26gVitamin A: 267IUCalcium: 46mgIron: 2mg
Keyword Sourdough Blondies
Tried this recipe?Let us know how it was!