Peel onion and cut in half, then half again etc. until you get a cross between a wedge and a stick. Melt 1½ tbsp. butter in a frying pan and sauté the onions until limp.
Wash chicken in COLD water and pat dry.
Place chicken in coated glass dish and spray with cooking spray and dot with the remaining butter.
Scatter onions around the sides of the pan and between chicken breasts.
Sprinkle with Rowdy Kitty Rub and parsley flakes.
Bake in a preheated oven at 350° for 40 minutes or until done and golden brown.