Finley chop sage, mince garlic. Put in a pan with butter and melt on a low heat for 5 minutes
Quarter the onion and apple and put in the chicken. Salt and pepper the skin. Then brush sage butter over the whole chicken. Add a squeeze of lemon and roast in oven at 200 degrees for 1 hour 20 minutes.
Rest for 10 minutes, carve, then serve.