Thick sourdough chocolate chip cookies with craggy golden edges beside a jar of starter.

Sweet Bakes - Discard or unfed

Sourdough Chocolate Chip Cookies

Rich, chewy cookies built on nutty brown butter and a cold spoonful of sourdough starter — chilled to deepen the flavor, then baked to golden, crackly perfection.

Total time
At least 2 hr 35 min
Hands-on
25 min
Yield
1 batch
Starter
Discard or unfed
Difficulty
Beginner
Heat
350°F / 177°C
Pan or vessel
Parchment-lined sheet pan

Gather first

Ingredients

Ingredients

Dry Ingredients

  • 1 3/4 cups all-purpose flour (or bread flour)
  • 1/2 tsp baking soda
  • 1/2 tsp baking powder
  • ~1/2 tsp salt (a little less)

Wet Ingredients

  • 1/2 cup regular sugar
  • 1/2 cup brown sugar
  • 1/2 cup brown butter
  • 1 egg yolk
  • 1 tsp vanilla (or a little more)
  • 1/3 cup cold sourdough starter (unfed)

Mix-ins

  • 1 cup chocolate chips

Method

Step by step

Part 1

Instructions

  1. Brown the butter: Put the butter on the stove and let it heat until it gets golden. Pull it off and let it cool for a little bit.
  2. Mix the dry ingredients together and set them to the side. Use: 1 3/4 cups all-purpose flour (or bread flour)1/2 tsp baking soda1/2 tsp baking powder~1/2 tsp salt (a little less)
  3. In another bowl, combine the regular sugar and brown sugar. Give the cooled brown butter a mix, then add it to the sugars.
  4. Add 1 egg yolk and 1 tsp vanilla (or a little more).
  5. Add 1/3 cup of cold, unfed sourdough starter and mix that up really well.
  6. Add the wet ingredients into the dry ingredients. Once the two are combined, mix them really well. Use: 1/2 cup regular sugar1/2 cup brown sugar1/2 cup brown butter1 egg yolk1 tsp vanilla (or a little more)1/3 cup cold sourdough starter (unfed)
  7. Mix in 1 cup chocolate chips with your hands, giving the dough a little mix.
  8. Scoop the dough onto a parchment-lined baking sheet, then freeze.

Part 2

Baking

  1. Preheat the oven to 350°F.
  2. Bake the cookies for about 8 to 10 minutes.
    Set a check timer
    Choose when to check; the step's visual cues decide when it is ready.

For next time

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Finish well

After baking

Doneness, storage, and reheating notes for this recipe.

Doneness

Golden edges with centers that still look soft

Storage

Keep cooled cookies airtight for up to 4 days; freeze scooped dough for bake-on-demand cookies.

Reheat or serve

Warm a baked cookie briefly, or bake frozen scoops as directed and allow a little extra time.