The Great Sourdough Bread Experiment
And that's how easy it is! Not First create your sourdough starter, what you do is, one day at work you decide that you want to bake sourdough bread so you look it up on the interweb and ring your daughter up and ask her to put 100 grams of flour and 100 grams of warm water in a loose lidded container. This takes roughly half an hour to get across to said daughter! You then forget about it for a day, and notice something odd in a airtight tupperware container. Doh. Move the resulting mess into a kilner jar without a seal. Add another 50 grams of flour and 50 grams of water. Add the same the next day, and the next. Get bored and use some of it to make bread, very flat bread. Search around on the web and decide to buy some organic rye flour and add that. Come down the next morning to a sourdough explosion in the kitchen, The starter had gone mad and climbed out of the kilner jar and tried to get into the fridge, no literally, it had made it through the door seal...