Complex sentence: The first Fat Sandwich was the "Fat Cat," created in New Brunswick, NJ, in the 1970s, and consisited of two cheeseburgers, french fries, lettuce, tomato, mayonnaise, and ketchup.
Split into simpler sentences: The first Fat Sandwich was the "Fat Cat," created in New Brunswick, New Jersey in the 1970s. It consisted of two cheeseburgers, French fries, lettuce, tomato, mayonnaise and ketchup.