3 sour tongue Recipes

baking soda, salt, divided, beef tongue, butter or margarine, all-purpose flour, sugar, pepper, bay leaves, chopped onion, vinegar

tongues , about 3 lb, virgin olive oil, pearl onions, peeled , or cippoline, unpeeled, carrots , cut into 1/4-inch disks, ribs celery , cut into 1/2-inch pieces, juice and zest of 3 oranges, red wine vinegar, chicken stock (or reserved cooking liquid), basic tomato sauce , recipe follows, italian parsley, finely chopped to yield 1/4 cup, basic tomato sauce, spanish onion, cut into 1/4-inch dice, garlic, thinly sliced, virgin olive oil, fresh thyme (or 2 tbsp dried ), carrot, finely shredded, tomatoes, crushed and mixed well with their juices, salt , to taste