You can make your own bread improver by creating a natural leaven: in a clean jar mix four teaspoons of wholemeal flour with four teaspoons of water, then add the same quantity of each every day ...
More accurate: letting my starter ... The sourdough way calls for you to make bread on bread’s time, tending to a living bacterial culture with more care than you would your houseplants.
This sourdough bread recipe is a stepping stone ... breads using different flours and create variations depending on your personal taste and the ingredients available in your local area.