I'll be in the Peruvian capital soon (Surco neighbourhood to be exact) but won't have time to go to the mountains. From what I understand, cuy (guinea pig) is an Andean and not a coastal specialty, so are Llamas and Alpacas.
Can one easily find highland specialties in the capital ? If so, where am I most likely to find them ? (special markets, neighbourhoods...). I heard cuy is now a delicacy in more upscale restaurant in Lima, but I'm not very interested in fancy venues.