Poppy seeds
Poppy seeds is called for by exactly one recipe on Burgerman. In these builds it never shows up on its own, but pulling it out of a recipe is immediately noticeable. It is used in Cuban-Style Sliders. The highest-scoring recipe using it is Cuban-Style Sliders at 7.8 out of 10. It turns up most often alongside dill pickle, slider roll, yellow mustard.
