4 pounds Certified Angus Beef ® chuck roast 2 teaspoons salt 1 teaspoon pepper 1 tablespoon vegetable oil 1 large onion, cut into chunks 3 carrots, peeled and cut into chunks 4 sprigs thyme 2 bay leaves 6 ounces can tomato paste 1 bottle of brown ale 1/2 cup German mustard 4 cups beef stock…