Steak San Marco
["1-inch thick chuck or chuck steak", "1 envelope onion soup mix", "1 tsp. garlic powder", "2 Tbsp. wine vinegar", "1 (1 lb.) can tomatoes", "1 tsp. oregano", "1 tsp. pepper", "2 Tbsp. cooking oil"]
["Cut steak in serving pieces and place in skillet; cover with onion soup mix and tomatoes.", "Sprinkle with spices, oil and vinegar.", "Simmer, covered, 1 1/2 hours.", "Serve over rice."]
["chuck steak", "onion soup", "garlic powder", "wine vinegar", "tomatoes", "oregano", "pepper", "cooking oil"]