Sirloin, Pepper & Onion Skillet

• 2 tablespoons olive oil
• 1 boneless beef top sirloin steak, 3/4 inch thick (about 1 pound)
• 1 large onion, sliced (about 1 cup)
• 2 medium red peppers, and cut into 2 inch long strips (about 3 cups) or green pepper, cut into 2 inch long strips (about 3 cups)
• 3 garlic cloves, minced
• 1 tablespoon red wine vinegar or 1 tablespoon balsamic vinegar
• 1 (10 3/4 ounce) can condensed golden mushroom soup
• 12 cup water
• 1 cup shredded monterey jack and cheddar cheese blend (about 4 ounces) or 1 cup cheddar cheese (about 4 ounces)

1. Heat 1 tablespoon oil in a 10-inch skillet over medium-high heat.
2. Add the beef and cook until it's well browned on both sides.
3. Remove the beef from the skillet.
4. Pour off any fat.
5. Reduce the heat to medium.
6. Heat the remaining oil in the skillet.
7. Add the onion and peppers and cook for 3 minutes, stirring occasionally.
8. Add the garlic and cook until the vegetables are tender-crisp, stirring often.
9. Add the vinegar to the skillet and cook and stir for 1 minute.
10. Stir in the soup and water and heat to a boil.
11. Return the beef to the skillet.
12. Reduce the heat to low.
13. Cover and cook the beef 2 minutes for medium or until desired doneness.
14. Sprinkle with the cheese.

olive oil, onion, red peppers, garlic, red wine vinegar, condensed golden mushroom soup, water, shredded monterey

Taken from www.food.com/recipe/sirloin-pepper-onion-skillet-497207 (may not work)