3 lbs. beef sirloin steak (1 1/2 inch thick)
1/2 lb. mushrooms, sauteed
2 green peppers, cut in pieces
2/3 c. red wine-vinegar
1/2 c. salad oil
2 tsp. salt
1 tsp. onion salt
1 tsp. Worcestershire sauce
1/2 tsp. pepper
1/2 tsp. tarragon
2 cloves garlic, crushed
Tomatoes (optional)

Broil meat to medium (15 minutes on each side). Cool, cut meat into bite-size pieces and place in a bowl. Add mushrooms and green peppers. Combine vinegar, oil, and vegetables. Cover and refrigerate 3 hours, stirring occasionally. Can add tomato pieces just before serving (optional).