6. The recipe for the English specialty known as bubble and squeak, pan-fried mashed potatoes and boiled cabbage often formed into cakes, is an invention born of thrift. It consists, like many other versions of breakfast potatoes, including hash, of leftovers from the previous evening's dinner put to good use. It dates to the 18th century and takes its name from what the ingredients were observed to do as they cooked in a pot over a fire. An infinitely expansive dish, bubble and squeak has been known to feature all sorts of odds and ends, such as peas, parsnips, carrots, onions, and brussels sprouts. What ingredient other than potatoes can be said to pair so well with others?