Oyster Force-meat
To Fish Force-meat add one-fourth small onion, finely chopped, and fried five minutes in one-half tablespoon butter; then add one-third cup soft part of oysters, parboiled and finely chopped, one-third cup mushrooms finely chopped, and one-third cup Thick White Sauce. Season with salt, cayenne, and one teaspoon finely chopped parsley.