Beef Sirloin Steak with Baby Spinach

Ingredients:
2 Tablespoons olive oil
1 boneless beef sirloin steak, ¾ inch thick, cut into four pieces
1 large onion, sliced
1 small red pepper, sliced
3 cloves garlic, minced
1 can (10 ¾ ounce) condensed cream of mushroom soup
½ cup water
2 Tablespoons balsamic vinegar
1 Tablespoon fresh or 1 teaspoon dried rosemary
1 bag (7 ounces) baby spinach
Hot mashed potatoes

Directions:

• Heat one Tablespoon of oil in skillet over medium-high heat.  Add beef and cook until well-browned on both sides.  Remove beef from skillet.  Pour off fat.  Heat remaining oil in skillet.  Add onion and pepper and cook for one minute, stirring occasionally.  Add garlic and cook until vegetables are tender-crisp, stirring often.
• Stir in soup, water, vinegar, and rosemary in a skillet and heat to boil.  return beef to skillet, reduce heat to medium.  Stir in spinach.  Cover and cook for two minutes or until desired doneness.  Serve with potatoes.