Rabo guisado (stewed oxtail; $8.20), though paired with exceedingly moist rice, should also have been accompanied by a pile of plantains that didn't find their way into this takeout order. No Margon, but lots of Latin lunchtime deals to be found here.
Utopia Café
46 West 56th St. (Fifth-Sixth Aves.)
212-974-3800