deducing the ingredients of the special secret sauce by going to the restaurant every week with a different allergy to see if they'll let you have it
@stavvers week 17: "I'm allergic to just another half-teaspoonful of fenugreek, gently roasted and combined with fewer than seven shallots. Am I safe?"
@jjbillyd "oh, oh, I'd pass away from just a pinch of sumac, will I be able to eat it?"