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Day 1: In a clean 1-quart glass jar or container, combine 1/2 cup unbleached all-purpose flour and 1/4 cup warm water. Mix thoroughly with a rubber spatula until no dry lumps remain. The consistency should be like a thick batter. Scrape down the sides of the jar. Loosely cover the jar with a lid, plastic wrap, or a clean kitchen towel. Place the jar in a warm spot (70-75°F is ideal) for 24 hours.

Day 2: You might see a few small bubbles or no activity at all. Don't worry! Discard about half of the starter (approximately 1/4 cup). Add 1/2 cup unbleached all-purpose flour and 1/4 cup warm water to the remaining starter. Mix well, scrape down the sides, cover loosely, and return to the warm spot for another 24 hours.

Day 3: You should start to see more activity today – more bubbles, and a slight increase in volume. Repeat the feeding process: discard half of the starter, add 1/2 cup unbleached all-purpose flour and 1/4 cup warm water. Mix, cover, and let sit for 24 hours.

Day 4-7: By now, your starter should be consistently bubbly and showing signs of rising and falling. It should also have a pleasant, slightly sour, yeasty aroma. Continue the feeding process once every 24 hours: discard half, add 1/2 cup flour and 1/4 cup warm water. If your kitchen is particularly warm, you might need to feed twice a day (every 12 hours). Look for the starter to double in size within 4-8 hours after feeding, and then slowly fall back down. Once it consistently doubles in size, it's ready to use.

Maintenance: Once your starter is active and mature, you can store it in the refrigerator. Feed it once a week: take it out, let it come to room temperature for an hour, discard half, feed with 1/2 cup flour and 1/4 cup warm water, let it sit at room temperature for 2-4 hours until bubbly, then return it to the fridge. If you plan to bake frequently, you can keep it on the counter and feed it daily.


Day 1: In a clean 1-quart glass jar or container, combine 1/2 cup unbleached all-purpose flour and 1/4 cup warm water. Mix thoroughly with a rubber spatula until no dry lumps remain. The consistency should be like a thick batter. Scrape down the sides of the jar. Loosely cover the jar with a lid, plastic wrap, or a clean kitchen towel. Place the jar in a warm spot (70-75°F is ideal) for 24 hours.

Day 2: You might see a few small bubbles or no activity at all. Don't worry! Discard about half of the starter (approximately 1/4 cup). Add 1/2 cup unbleached all-purpose flour and 1/4 cup warm water to the remaining starter. Mix well, scrape down the sides, cover loosely, and return to the warm spot for another 24 hours.

Day 3: You should start to see more activity today – more bubbles, and a slight increase in volume. Repeat the feeding process: discard half of the starter, add 1/2 cup unbleached all-purpose flour and 1/4 cup warm water. Mix, cover, and let sit for 24 hours.

Day 4-7: By now, your starter should be consistently bubbly and showing signs of rising and falling. It should also have a pleasant, slightly sour, yeasty aroma. Continue the feeding process once every 24 hours: discard half, add 1/2 cup flour and 1/4 cup warm water. If your kitchen is particularly warm, you might need to feed twice a day (every 12 hours). Look for the starter to double in size within 4-8 hours after feeding, and then slowly fall back down. Once it consistently doubles in size, it's ready to use.

Maintenance: Once your starter is active and mature, you can store it in the refrigerator. Feed it once a week: take it out, let it come to room temperature for an hour, discard half, feed with 1/2 cup flour and 1/4 cup warm water, let it sit at room temperature for 2-4 hours until bubbly, then return it to the fridge. If you plan to bake frequently, you can keep it on the counter and feed it daily.
