‘In-N-Out, founded on the West Coast in 1948, is that rarest of chain restaurants: one with a cult following. Exalted both by hamburger fans and those who normally shun fast food, it has built its reputation on the rock of two beliefs: fast food should be made from scratch, and the whims of the customer should be entertained.

Even Eric Schlosser, author of the muckraking book Fast Food Nation, is a fan.’ NY Times

Related: the In-n-Out website.