How much of yeast in white bread?

The amount of yeast used in white bread typically ranges from 1 to 2 tablespoons per 4 cups of flour, which is about 0.25 to 0.5 ounces of active dry yeast. This quantity can vary based on the recipe, the type of yeast used, and the desired fermentation time. For instant yeast, a slightly smaller amount may be sufficient, as it is more potent. Adjusting the yeast can also affect the bread's texture and rise.