12 Fast Food Chains Crafting Delicious Burgers with Pure Ground Beef

9. Fatburger

The self-appointed "Last Hamburger Stand," Fatburger is known for its enormous burgers, which start at a third of a pound of ground beef. All of the giant burger patties from Fatburger are made with "100% pure lean beef, fresh ground, grilled to perfection, and built-to-order."