Red Star Active Dry Yeast is a moderate acting dry yeast that is ideal for all yeast baking recipes. Used by generations of bread bakers, Red Star Active Dry Yeast is ideal for use in traditional and bread machine baking methods. 2 1/4 teaspoons is approximately equal to one (0.25 ounce or 7 gram) packet of yeast. Store unopened jar in a cool, dry place. Once jar is opened, store in refrigerator; or for long-term storage, store in the freezer. Red Star Active Dry Yeast is gluten-free, non-GMO Project Verified and certified Kosher Parve. Great for making bread, dinner rolls, pizza, cinnamon rolls, and more!