BONE-IN SIRLOINAll the succulence of a sirloin steak, but with the bone left in for added flavour. Less moist than a ribeye, but cooked to medium rare it retains all the tenderness. COOKING TIPS BONE IN SIRLOIN Ensure the cut is at room temperature by removing from the fridge at least 2 hours before cooking. Get your grill or pan smoking hot. At the last minute, season well with our Great Cow Rub. Don't use oil, if the grill or pan is hot enough, it won't stick.