Smothered Flat Iron Steak In A Parmesan Pepper Sauce - cooking recipe

Ingredients

1 lb flat iron steak
1/2 cup zesty Italian dressing, divided
1/3 cup sour cream
4 1/2 teaspoons parmesan cheese, grated
3/4 teaspoon course black pepper
1/4 teaspoon sea salt
2 garlic cloves, chopped
1 large onion, thinly sliced

Preparation

Pour 1/4 cup dressing over steak and seal in a Ziploc bag. Refrigerate at least 30 minutes or overnight to marinate.
Combine sour cream, 2 tbsp of the remaining dressing, Parmesan cheese, salt and pepper. Refrigerate until serving time.
Heat remaining 2 tbsp dressing and garlic in large nonstick skillet on medium heat. Add onions; cook until golden brown, stirring frequently. Remove onions; set aside.
Drain steak; discard marinade. Cook steak in same skillet on medium heat 3-4 on each side for medium doneness. Place on cutting board; slice crosswise into thin strips. Serve steak topped with sauce and onions.