These cookies use sourdough discard, which balances the sweetness and adds a subtle tang. The recipe uses brown butter for a nutty flavor and only an egg yolk, which helps make a chewy cookie.
Prep Time 4 hourshours30 minutesminutes
Cook Time 18 minutesminutes
Cooling Time 10 minutesminutes
Total Time 4 hourshours58 minutesminutes
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Ingredients
Ingredients (~13 cookies)
1/2cupunsalted butter1 stick, diced
3/4cupcaster sugar
3/4cuplight brown sugar
1 3/4cupsall-purpose flour
1/2tspbaking powder
1/2tspbaking soda
1/2tspflaked sea salt
2large egg yolks
1/2cupsourdough starter discard100% hydration
1/2tspvanilla extract
1cupdark chocolateroughly chopped
Method
Brown butter in saucepan over medium heat until nutty and flecked, about 5-7 minutes.
Pour browned butter into mixing bowl and whisk with sugars. Let cool 30 minutes.
Beat butter-sugar mixture with electric mixer. Add egg yolks, then sourdough discard and vanilla.
Mix in dry ingredients on low speed until just combined. Fold in chopped chocolate.
Refrigerate dough 4-24 hours.
Preheat oven to 350F. Line baking sheet with parchment.
Roll chilled dough into 2.5 oz balls. Space 6 per tray. Sprinkle with sea salt.
Bake 16-18 minutes until edges are lightly browned.
Tap tray to flatten if cookies look puffy.
Cool on baking sheet 10 minutes, then transfer to wire rack.
Notes
Chilling dough is crucial for flavor development and proper texture.