Prompted by the hand-chalked window menu: a pair of heavily-laden tacos de panza blanca, or goat stomach. You'll find good AC in the dining area, once you duck beneath the stairway to the apartments above.
Deli El Bigotes ("whiskers," in Spanish; all are welcome)
3 East 31st St. (Church-Snyder Aves.), East Flatbush, Brooklyn
718-282-2001