"I highly recommend "pupusas con loroco y queso" (pupusas with loroco flower and cheese). Don't be afraid; loroco "flower" is just a kind of green veggie--they pick the blossoms before they bloom."
"Just say "Opt Out" and bypass the cancer scanner. The frisking staff at SFO are professions and swift--opting out usually won't add any time to your security screening."