Steak San Marco
["2 lb. chuck steak, cut into serving pieces", "1 envelope Lipton onion soup mix", "1 (1 lb.) can whole peeled tomatoes", "1 tsp. oregano", "garlic powder or salt to taste", "2 Tbsp. cooking oil", "2 Tbsp. vinegar (white or wine)"]
["In a large skillet, arrange meat.", "Cover with soup mix and tomatoes.", "Sprinkle with oregano, garlic, pepper, oil and vinegar. Cover and simmer about 1 1/2 hours or until tender.", "Can also be done in oven at 350\u00b0 until done, about the same time."]
["chuck steak", "onion soup", "tomatoes", "oregano", "garlic", "cooking oil", "vinegar"]