Guacamole
Guacamole is called for by exactly one recipe on Burgerman. In these builds it is what most people actually taste first, and small changes to it move a recipe more than the patty does. It is used in Seven Layer Sliders. The highest-scoring recipe using it is Seven Layer Sliders at 8.1 out of 10. It turns up most often alongside jalapeno, tomato, white onion.
