History of the hamburger in the United States is found in Japan, but is a local variation. History of the hamburger in the United States A hamburger (or burger) is a sandwich that consists of a cooked ground meat patty, usually beef, placed between halves of a sliced bun or between slices of bread or toast. Hamburgers are often served with various condiments, such as mustard, mayonnaise, and ketchup, and other options including lettuce, tomato, onion, pickles, and cheese. The Texas historian Frank X. Tolbert attributes the invention of the hamburger to Fletcher Davis of Athens, Texas. Davis is believed to have sold hamburgers at his café at
Mosa Meat cost $325,000 to produce and was funded by Google co-founder Sergey Brin. The production process took three laboratory technicians three months to grow the 20,000 individual muscle fibers that made up the burger. In July 2018 Mosa Meat announced that it had raised a €7.5 million Series A funding round. The round was led by M Ventures and Bell Food Group. Mosa Meat estimates that commercial availability of cultured meat could happen around 2021 in high-end restaurants at first, at around $11 per hamburger. Mosa Meat Mosa Meat is a Dutch food technology company, headquartered in Maastricht (the Netherlands) creating