The Fatted Calf is located at 112 East Rusk St. Rockwall, TX 75087. Call Us 972-722-3343. Pub, Fine Dining Restaurant, American Restaurant. The Fatted Calf, on the square in downtown Rockwall, specializes in ""Down Home Chic"" food at a reasonable price. Formerly Old Timers, the Fatted Calf is a comfortable, upscale restaurant serving breakfast, lunch and dinner. Monday Closed, Saturday and Sunday 8:00 am – 2:00 pm ,Tuesday to Friday 7:30 am – 2:00 pm