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Sourdough Starter

Prep Time 50 min
Saved 2026-05-01
Source: https://www.kingarthurbaking.com/recipes/sourdough-starter-recipe

SOURDOUGH STARTER

King Arthur Baking

Prep: 50 min Total: 5 days

INGREDIENTS

To begin: - 50g whole wheat flour - 50g cool water

To feed: - 50g all-purpose flour - 50g water

INSTRUCTIONS

  1. Day 1: Combine 50g WW flour & 50g water in a container. Mix well.

  2. Cover loosely. Rest at 70F for 24 hrs.

  3. Day 2: Keep 50g of starter, discard rest. Add 50g AP flour & 50g water. Mix, cover, rest 24 hrs.

  4. Day 3: Keep 50g of starter, discard rest. Add 50g AP flour & 50g water. Rest 12 hrs. Repeat feed again.

  5. Day 4: Repeat 12-hr feeding schedule (2x).

  6. Day 5: Repeat 12-hr feeding schedule (2x). Should double in size.

kingarthurbaking.com/ recipes/sourdough- starter-recipe 2026-05-01