How To Dehydrate (Dry) Sourdough Starter

Step 1

Take a piece of parchment paper and lay it out on a baking tray or sheet. This will stop the parchment paper from collapsing if you need to move it later.

Step 2

Using a pastry brush, paint your sourdough starter all over the parchment paper ensuring it's not too thick. You can use a spoon if you don't have a pastry brush, but try to get it nice and thin.

Step 3

Leave the sourdough starter in a warm place with good air flow to completely dry out. You don't want it to blow around, so make sure that it's not right under an air vent.

Step 4

Check the starter periodically and break up any pieces that aren't drying out completely. Breaking them into smaller pieces will help to ensure the starter dries out in a timely manner.

Step 5

Once the starter has completely dried out (usually takes up to 24 hours) you can break it up into pieces and place into a clean and dry glass jar.

Step 6

Store the dried sourdough starter in a cool, dark place. It will last indefinitely as long as it doesn't touch any moisture.

Step 7

When you want to activate your sourdough starter, follow these instructions.