Duration: 5 days - for as long as you want  Portions: 1 Difficulty: easy (just need patience) Ingredients ​ 100g wholemeal flour 100g water (room temp) Method ​ Day 1 Combine water and flour into a clean jar and mix into a paste. Leave out at room temperature for 24 hours. Try to find somewhere warm. Day 2 -7 (Feeding) Remove half of the mixture from the jar and discard Add 50g flour and 50mLs of water into the jar and incorporate Leave out for 24 hours and repeat feeding