Worcestershire sauce
Worcestershire sauce appears in 12 of the 123 recipes on Burgerman, roughly 10% of the library. In these builds it is what most people actually taste first, and small changes to it move a recipe more than the patty does. You will find it in Foie Gras Luxury Burger, Grilled Bison Burgers and McDonald's McFeast (Copycat), among others. The highest-scoring recipe using it is Foie Gras Luxury Burger at 9.6 out of 10. It turns up most often alongside ground beef, black pepper, garlic powder.
