Needs less rising time About Fleischmann's® quick-rise yeast - Saves time - only requires one rise. - Simply add to dry ingredients, then follow your recipe - no need to hydrate in water. - Works great in bread machines. Important tips - keep your yeast alive - Did you know yeast is a living organism? - To keep your yeast alive, any liquid ingredients added to your recipe should be warm (120° to 130°F/50° to 55°C). For best results: use thermometer to gauge temperature of liquids.