Dyer`s Burgers, a Memphis eatery, has been frying its patties in the same grease since 1912, claiming it`s the secret to their flavour. Founded by Elmer `Doc` Dyer, the grease became legendary after a cook accidentally left it unchanged one night, leading to rave reviews. The grease is strained and seasoned, but never replaced, creating the iconic taste customers love.

Therestaurantusesuptol,000pounds of beef weekly, ensuring a steady supply of `century grease.` Some patrons even request their entire burger dipped in the flavourful grease before serving.