Beef Stew with Noodles

INGREDIENTS

• 1 tablespoon vegetable oil
• 2 pounds boneless beef chuck, cut into 1/2-inch cubes
• Coarse salt and ground pepper
• 1 medium onion, sliced lengthwise
• 2 tablespoons all-purpose flour
• 3 cans (14.5 ounces each) reduced-sodium chicken broth
• 1/2 pound carrots, cut into 1-inch chunks
• 2 medium russet potatoes, peeled and cut into 1-inch dice
• 2 cups egg noodles
• 3 tablespoons finely chopped fresh parsley
• 1 teaspoon red-wine vinegar