Feed sourdough starter

by MASTER

Refresh your sourdough starter to keep it active and ready for baking; do this when the starter looks flat, has few bubbles, or it's been more than 12 hours since the last feed.

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What's inside

Feed sourdough starter

Refresh your sourdough starter to keep it active and ready for baking; do this when the starter looks flat, has few bubbles, or it's been more than 12 hours since the last feed.

⏱ 15 min★ Easy

Target

Starter is flat with few visible bubbles and was last fed 36 hours ago.

Obstacle

I struggle to measure ingredients by weight and sometimes end up with a starter that is too stiff or too runny; I also forget to note the feeding time and storage temperature.

Expectation

Starter will be fed, mixed, labeled, and stored at the desired temperature so it begins forming visible bubbles and shows rise within 6–12 hours.

Materials

• All-purpose flour — 50 g
• Room-temperature water — 50 g

Tools

• Digital kitchen scale — 1
• Glass jar with lid — 1
• Rubber spatula — 1

Steps

01
Prepare workspace and tools
Clean the jar and spatula, place the scale on a flat surface, and set out flour and water so everything is within reach.
⏱ 2 min
02
Weigh and discard
Weigh the current starter in the jar, discard down to 25 g of starter (or transfer 25 g to a clean jar) so you have the correct base for feeding.
⏱ 3 min
03
Weigh, add, and mix feed
Weigh 50 g flour and 50 g water, add both to the 25 g starter, mix with the spatula until homogenous and free of dry pockets.
⏱ 5 min
04
Label and store
Wipe the jar rim, loosely close the lid, mark the feeding time and room temperature on the jar, then place the jar where it will be stored.
⏱ 5 min