If you're not sure whether the oil is hot enough, drop one chip into the pan. If it immediately begins to sizzle and "open up", your oil is ready. If nothing happens, your oil isn't quite hot enough.
By Darlene Schmidt, About.com Guide
If you're not sure whether the oil is hot enough, drop one chip into the pan. If it immediately begins to sizzle and "open up", your oil is ready. If nothing happens, your oil isn't quite hot enough.