Milk, as we all know, is perishable. In fact, it may be the most famously perishable food in existence: It's not for nothing that we say something that's lost its luster over time has "aged like milk" ...

Powdered milk is milk that has been evaporated to a powdered state and retains all the benefits of cooking and baking with dairy. Low-heat nonfat milk powder is best for beverages and frozen desserts, ...