Heat panini pan over medium heat or heat contact grill 5 minutes. Press sausage patties into thinner patties, about 3 to 4 inches in diameter. Cook sausage in panini pan 2 to 3 minutes on each side, or cook in contact grill 2 to 3 minutes, or until thoroughly cooked. Wipe surface of pan or grill. Spray weighted top of panini pan with cooking spray.