Pork and beans

Numerous variations exist, usually with more specific names, such as fabada asturiana,[1] olla podrida, or American canned pork and beans.

[3] Commercially canned pork and beans were introduced in the United States sometime around 1880.

According to the 1975 Better Homes and Garden Heritage Cookbook, canned pork and beans was the first convenience food.

"[4] The recipe for American commercially canned pork and beans varies slightly from company to company, but generally consists of rehydrated navy beans packed in tomato sauce (usually made from concentrate and which may incorporate starch, sugar, salt, and seasoning), with very small chunks of salt pork or rendered pork fat.

[5] The ingredients are cooked, packed into hermetically sealed containers, and processed by heat to assure preservation.