So you're about to fire up the stove with your trusty nonstick skillet to make an omelet. You've probably heard a metal spatula is a no-go for a nonstick pan's coating, but what about nonstick spray?

Most cooking sprays have hidden ingredients that can build up and damage your nonstick pan over time. Even sprays made with real oil can leave sticky spots that make your pan less nonstick. To protect ...

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