Tip - How to Cook with Yeast Using Sugar Substitutes | eHow

Yeast, although it may not look like it, is actually a living organism--a type of fungus that consumes sugars in food and gives off gases in exchange. These gases are what make foods containing yeast, like breads and other baked goods, rise correctly. Because yeast thrives on sugar, typically recipes that use yeast call for at least a small...