Fillet Duck and serves 4 Breasts of 2 ducks 1 pkg. dry onion soup mix 1 apple, sliced 2 cups water 1 orange, sliced Fillet breasts. Place breasts on platter and cover with apple and orange. Cover with plastic wrap and refrigerate overnight. Remove apple and orange slices and place fillets in 1 1/2 quart long baking dish. Empty onion soup into dish; add water. Bake at 300 degrees for 2 hours. Serve with pan drippings.