Citrus Simmered Steak
["1 3/4 to 2 lb. round steak, cut 1 3/4-inches thick", "2 Tbsp. cooking oil", "1/2 c. (4 oz. can) drained mushroom pieces (if desired)", "1/2 c. (1 medium) onion slices", "2 Tbsp. barbecue sauce or catsup", "1 Tbsp. lemon juice or orange juice", "1 tsp. soy sauce", "1/2 tsp. salt", "2 lemons or oranges, sliced", "1/4 c. water", "1 Tbsp. sugar", "1 Tbsp. cornstarch", "1 tsp. grated lemon or orange peel", "1/8 tsp. ground thyme"]
["In large frypan, brown meat in oil on both sides.", "Add mushrooms, onion, barbecue sauce, lemon or orange juice, soy sauce, lemon or orange peel, salt and thyme.", "Simmer, covered, 1 1/2 to 2 hours, until meat is tender."]
["cooking oil", "mushroom", "onion", "barbecue sauce", "lemon juice", "soy sauce", "salt", "lemons", "water", "sugar", "cornstarch", "lemon", "ground thyme"]