You can store a sourdough starter in the fridge for years. Only if you want to bake bread, you will have to activate and multiply it for a while. You then take it out of the fridge, feed it and leave it in a warm place for two days. If you work during the week, it is advisable to do this on a weekend when you are at home. The ideal activity for a rainy weekend, right? It's not a lot of work, but you do need to give your sourdough a little love from time to time. With this recipe, you can turn 100 grams of sourdough from the fridge into 500 grams of active sourdough for baking sourdough bread.
300mllukewarm water,important: never more than 40 °C
Instructions
Put 100 g of flour and 100 ml of lukewarm water in a bowl, stir well and add the 100 g of sourdough from the fridge. Stir well again and cover with a tea towel. Leave in a warm place for about 6 hours.
After the 6 hours, add 100 g flour and 100 ml lukewarm water. Stir well and leave covered again in a warm place for 6 hours.
Add 100 g flour and 100 ml lukewarm water and stir well. This time leave the dough in a warm place for 12 hours.
12 hours later: you now have a total of 600g of sourdough ready to bake bread again. Before baking bread, remember to remove 100 g of the sourdough and put it in the fridge for the next time you bake bread!The recipe for sourdough bread can be found in this article.