Holiday Farms   Owner:  David Mandell   Opened:  1999   Cooperative:  Key Food Stores   Location:  374 Roslyn Rd, Roslyn Heights, NY   Photographed:  December 2018         I don't know for sure, but this store has the look of an old Grand Union. Even with an expansion, it's only about 10,000 square feet. But it's a great looking store, and it's had some nice renovations. The exterior has recently received a new awning, and it formerly looked like this .     You enter and turn left into a room with the deli and bakery. The front wall is to the left in the above picture.     I suppose it's no surprise, for this Long Island store with a Jewish owner, that the deli is the centerpiece. It's enormous and beautifully stocked with prepared foods and lunchmeat.     The deli/bakery room is an expansion. There's also a small salad bar facing the main store.     And now we move into the original part of the supermarket, starting with produce in the first aisle. Meats r...