I am writing to 'Blueroom' hope to help you out a little.
I want to share a few special places with you. My husband and I have been here for 6 yrs now, we are both professionals, have done a lot of traveling, have lived in Manhatten & Brookly. We adore speciality, ethnic foods . I understand your frustrations in JH, but there may be some places you have overlooked, and I highly recommend to venture to Northern Boulevard, it is worth the walk.
Good Quality cuts of meat: you must visit a Carniceria( Butcher store) South Americans are very particular about their meat, there are a few on 37th, one on a corner, On 90 or 91, Had one of the best skirt steaks ever, brought to a party in Shelter Island last yr, my husband grilled it, everyone raves, and still talks about that cut of meat!
Gourmet European Deli: The Polish Deli on 37 th avenue 80th, good european cheeses, cookies, jams, etc, etc.
Gourmet Spanish Food Store: Despana, 86-17 Northern blvd, I have to plead with my husband to stop going here sometimes! Offers an array of cheese and sausages from Spain, they carry many Spanish Olive Oils, and other unique spanish food & treats. Small place, They actually supply many of NYC's wine bars with their cheeses and jamons...They also have a store on Broome st.
Best Bar, lovely atmosphere, is Amaru, 84-13 Northern Blvd. Best time to visit is during the week, not crowded, but weekends it turns more in to a club after 10:00. Early on weekends is fine. Their specialty is Piscos, they actually make them using an Artisanal method, it is one of the best cocktails I have ever had. The also serve some nice h'orderves, good ceviche. Next store is a pretty new gourmet pizza restaurant Pagliaccio, delicious.
Best of luck, I hope you enjoy some of these suggestions:)