Roast Beef with carrot

1 (2 1/2-3 lb) boneless chuck roast 2 tablespoons vegetable oil 1 teaspoon salt 1 teaspoon fresh ground black pepper 2 cups onions , sliced 2 cups celery ,[...]

1 (4 lb) top sirloin roast, fat trimmed to 1/4-inch thickness salt and pepper 1 tablespoon vegetable oil 8 ounces white mushrooms , chopped 2 onions , minced[...]

1 (2 1/2-3 lb) boneless chuck roast 2 tablespoons vegetable oil 1 teaspoon salt 1 teaspoon fresh ground black pepper 2 cups onions , sliced 2 cups celery ,[...]

1 (4 lb) top sirloin roast, fat trimmed to 1/4-inch thickness salt and pepper 1 tablespoon vegetable oil 8 ounces white mushrooms , chopped 2 onions , minced[...]