Beef with vinegar

2 lbs chuck roast, cut up, with all fat removed 1 lb carrot , peeled and cut into thick slices 5 celery ribs , cut into thick slices 1 onion , very large, cut[...]

1 (5 pound) beef brisket salt and pepper to taste 1/4 cup Merlot wine 1/4 cup balsamic vinegar 1/2 cup beef stock 1 (15 ounce) can stewed tomatoes 1 large[...]

5 tablespoons olive oil 3 large onions , coarsely chopped 1 tablespoon sugar 2 teaspoons dried oregano 2 garlic cloves , minced 1/4 cup apple cider vinegar 1[...]