If your honey is firm and has white in it, it is not an indication of spoilage, age, or impurity--it has simply crystallized. This happens when sugar is exposed to oxygen. Heat it gently and it will turn back into the golden liquid it once was. 7 Things You Need to Know About Cooking with Honey What's the Difference Between Tofu and Tempeh? What's the Difference Between Cured and Uncured Bacon?