The starter no longer requires the nutrients in whole-grain flours. Cover, and let rest at room temperature for 4 hours. Beat vigorously for 1 minute. The yeast and bacteria feed on the starches and/or carbohydrates in the flour, making a fully cultured (allowing the flour to soak with the starter for at least 8 hours) sourdough bread lower on the Glycemic Index than regular bread. This bread is made from 'scratch' without 'starter', but it takes about seven days to make as you gradually increase the amount of fermenting dough. Yes, you can make sourdough bread without a starter, for example, San Francisco Sourdough Bread. Instructions. In a large bowl combine the starter, water and 3 cups of the flour. Made with simply flour, sourdough starter, salt, water and eggs, these sourdough buns are full of flavor, they are soft with just the right amount of chewiness. The flavour is amazing, and it's certainly worth making an effort to make this bread. The perfect sourdough rolls made with no yeast. And while bread, an age-old staple food, can be put together with a little shelf-stable dry yeast, a growing number of bakers are craving the rituals and rhythms of sourdough. These sourdough rolls will complement any side dish or pamper your juicy burger.