Steak Pizzaiola With Mozzarella

• 1 package sliced mushrooms 10 oz.
• 1 onions medium, sliced
• 1 tablespoon balsamic vinegar
• 1/2 cup shredded mozzarella cheese about 2 oz,
• 2 tablespoons olive oil divided
• 4 rib eye steaks about 1 1/4 lbs., trimmed
• 1 jar (1 lb. 8 oz.) Ragu(R) Old World Style(R) Pasta Sauce

1. Season steaks, if desired, with salt and black pepper. Heat olive oil in 12-inch nonstick skillet and cook steaks, turning once, 4 minutes or until desired doneness. Remove steaks from skillet and set aside.
2. Heat remaining olive oil in same skillet and cook mushrooms and onion over medium-high heat, stirring occasionally, until golden, about 10 minutes. Add vinegar and bring to a boil. Stir in 2 cups Pasta Sauce and return to a boil. Reduce heat to low and simmer 2 minutes or until heated through. Return steaks to skillet, then sprinkle with cheese. Remove from heat; cover and let stand 5 minutes or until cheese is melted.
3. Serve, if desired, with hot cooked pasta topped with additional Pasta Sauce, heated.

mushrooms, onions, balsamic vinegar, mozzarella cheese, olive oil, world

Taken from www.yummly.com/recipe/Steak-pizzaiola-with-mozzarella-298776 (may not work)