This section is from the book "The Boston Cooking-School Cook Book", by Fannie Merritt Farmer. Also available from Amazon: Original 1896 Boston Cooking-School Cook Book.
A boiled corned tongue is cooked the same as Boiled Corned Beef. If very salt, it should be soaked in cold water several hours, or over night, before cooking. Take from water when slightly cooled and remove skin.
A fresh tongue is necessary for braising. Put tongue in kettle, cover with boiling water, and cook slowly two hours. Take tongue from water and remove skin and roots. Place in deep pan and surround with one-third cup each carrot, onion, and celery, cut in dice, and one sprig parsley; then pour over four cups sauce. Cover closely, and bake two hours, turning after the first hour. Serve on platter and strain around the sauce.
Sauce for Tongue. Brown one-fourth cup butter, add one-fourth cup flour and stir together until well browned. Add gradually four cups of water in which tongue was cooked. Season with salt and pepper and add one teaspoon Worcestershire Sauce. One and one-half cups stewed and strained tomatoes may be used in place of some of the water.
 
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