This is a difficult philosophical quandary.
I suppose I'd have to go with regular potato chip flavor, then sour cream & onion, and then BBQ.
I remember the Lay's cheddar chips from the late 80s/early 90s being really good, but they were probably made from a known carcinogen that also depletes the ozone, so they've never made that exact flavor again.
Regular cheese Doritos FTW. Cool Ranch can DIAF.
Ruffles are pretty good though. I will accept sour cream ruffles if there is a BBQ involved.
Ahem, Doritos are corn chips, not potato chips.