More places where you can taste and buy Panini Pies 

Deep Roots Farmer's Market at Great Neck. Firefighters Park  at Grace Ave, Great Neck, Sundays, 10 am - 2 pm

Zorn's of Bethpage, 4321 Hempstead Tpke, Bethpage, NY 11714, the bottom shelf of the freezer section.  Check the opening hours at their website