For a single loaf, mix 50g of starter with 50g of bread flour and 50g of lukewarm water (up to 85 degrees).
For a single loaf, mix 50g of starter with 50g of bread flour and 50g of lukewarm water (up to 85 degrees). Scrape the sides of the jar, loosely cover, and mark the height on the outside of the jar with a rubber band or dry-erase marker. Let sit at room temperature for 4-6 hours or until it has more than doubled in volume.