Avocado from a guy selling them two-for-$1 out of crates on Broadway
Tomatillo and cilantro from the 175th Street Greenmarket
Queso blanco from the new Mexican greengrocer on St. Nicholas Ave.
Limes from a street vendor on W181st Street
Black beans from Key Food near W187th
Halve avocados and scoop out some but not all of their flesh. Roughly chop and toss with black beans, queso blanco, cilantro, chopped tomatillos and lime juice. Serve in the meaty avocado shells.