Brother Estebanh has hipped us to a Website mentioning great empanadas. The author of the article linked to, lives with her husband in SJO and has her own Website on all things food in CR (restaurant mentions, recipes, a link to an organic food purveyor that delivers, etc). Here tis':
www.cheapfoodhere.com She's not a rookie to this; she came down from Charlotte and had this thing going on there.
Restaurants mentioned on her site are Flor de Loto for Chinese (SJ), Don Fernando for steak (Escazu), Jettsy for burgers (Pavas) and Pollos Male for chicken (SJ). The challenge for you on-the-ground guys is to find'em and report on them.