Sirloin, Pepper and Onion Skillet

INGREDIENTS

• 2 tablespoons olive oil
• 1 (1 pound) boneless beef sirloin steak, 3/4 inch thick
• 1 large onion, sliced
• 2 medium red and/or green peppers, cut into 2-inch-long strips
• 3 cloves garlic, minced
• 1 tablespoon red wine vinegar or balsamic vinegar
• 1 (10.75 ounce) can Campbell's® Condensed Golden Mushroom Soup
• 1/2 cup water
• 1 cup shredded Cheddar Jack cheese or Cheddar cheese