Parboil whole onions for 15 minutes; drain.
Heat butter or margarine and brown sugar in saucepan.
Roll parboiled onions in this mixture, then in crushed corn flakes.
Stick a clove in each onion.
Place in 1 1/2-quart baking dish, pour remaining butter sauce over all and bake at 350° for 20 to 30 minutes.