Beef with vinegar

1 kg corned beef 2 tablespoons apple cider vinegar 2 tablespoons tomato sauce 2 tablespoons brown sugar 6 carrots , cut into large chunks 1 Place vinegar,[...]

1 4-to 4 1/2-pound flat-cut (also called first-cut) beef brisket, trimmed of most fat 2 tablespoons olive oil 1 14 1/2-ounce can diced tomatoes in juice[...]

2 tablespoons olive oil 2 1/2 pounds beef chuck or round, trimmed of surface fat and cut into 1 inch cubes Salt and freshly ground black pepper to taste 2[...]