"Authentic rustic country bread should be made with little more than flour, water, yeast, and salt. We aimed to develop a reliable recipe for a big, crusty, pleasant loaf—one without shortcuts—made the old-fashioned way. We decided to focus our tests around using a sponge starter—a mixture of flour, water, and yeast, left to ferment and then combined with additional flour, water, and other ingredients. A sponge starter gave our bread a complex flavor that yeast alone could not provide. We soon learned that bread with a high water content produces a chewier texture. So we ended up working with a wet dough, to which we could add more flour if necessary. This wet dough was tricky to work with but resulted in a bread with a texture so rough, chewy, and substantial that it was a meal all by itself. For a finishing touch, we added whole wheat and rye flours to the ingredients to enhance this bread’s full flavor...."