Windsor Diner 1030 Raritan Rd, Clark, NJ07066 The Windsor Diner has been a community meeting and eating place for many years. Besides an enormous diner-style menu,…More the Windsor offers buffet-style breakfast on weekends and a salad bar daily. Beer, wine and cocktails are available and a showcase of desserts will tempt you to indulge. The solarium-style dining areas are bright and attractive. Seating can accomodate up to 280 people.