It is most commonly used as a noun. At least that's what most of us think about when we look in the refrigerator for fillings and in the cupboard for a loaf of bread.

–noun

And occasionally, it's used as a verb. It can be in reference to food or something totally unrelated to food. Personally I've never heard it used this way. It just sounds awkward to me, but if you like it, use it.

–verb (used with object)

So where did it come from? What is the history behind this word?

Origin:1755–65 - Named after the fourth Earl of S*ndwich (1718–92)