Bacon is, in certain forms, simply pork preserved with salt.

FORBES: Banning the Great British Breakfast

Made of pork shoulder, ham, salt and water, all compressed in a can, the processed meat product became popular during World War II.

BBC: A Spam-tastic festival in Hawaii

The iron stove had a cast-iron warmer on the top, and in that warmer would be pork roasts and pork chops and fried chicken, two gallon pots of butter beans with salt pork, navy beans with ham bone, rattlesnake beans glistening with bacon fat, pans of chicken and dressing, macaroni and cheese, cornbread and cathead biscuits, mounds of mashed potatoes and sweet potatoes, skillets of fried green tomatoes.

NPR: Excerpt: 'The Prince of Frogtown'