If a recipe tells you to use salt without specifying otherwise, it's safe to assume that you should use kosher salt. But why is that the case, and what, if anything, does it have to do with Jewish ...

the volume can differ significantly from kosher salt. For instance, fine sea salt is more concentrated, so if a recipe calls for a teaspoon of kosher salt, you might need to use less fine sea salt ...

You've probably noticed that some recipes call for salt while others specifically call for kosher salt. Just salt likely means table salt, such as Morton Iodized Salt, while kosher salt will say ...