Oysters Bienville Fijian-style

Ingredients

 * ¼ cup butter or margarine
 * 3 tablespoon flour
 * 1 clove garlic
 * 1 tablespoon onion juice
 * 1 tablespoon Worcestershire sauce
 * ¼ teaspoon celery seed
 * 1 x 2-ounce can mushrooms
 * ¾ cup liquid
 * 18 medium boiled shrimp
 * 1½ pints medium oysters
 * Parmesan cheese

Directions

 * 1) To make sauce, melt butter and add flour, garlic, onion juice, Worcestershire sauce, celery seed and liquid.
 * 2) Add mushrooms and shrimp.
 * 3) Cook until thickened.
 * 4) Put oysters in saucepan and simmer just until edges curl.
 * 5) Drain.
 * 6) Put oysters on cleaned oyster shells.
 * 7) Cover each with sauce mixture.
 * 8) Sprinkle each with cheese.
 * 9) Place on tray covered with rock salt.
 * 10) Broil for about 5 minutes or until bubbly.