The Leidenfrost effect, also called the "mercury ball test", is a technique used to make sure your pan is hot enough for cooking.
Splash a few drops of water on a hot pan and if the pan is hot enough, the water will sizzle and the droplets of water seem to roll and float, hovering above the surface. The temperature at which this ...
Video tutorial: How to make a stainless steel pan nonstick The Leidenfrost effect, also called the "mercury ball test", is a technique used to make sure your pan is hot enough for cooking.