Zraziki po krakowsku -- polish beef roll-ups

1. Cut steak into thin pieces, about 4 ½ by 2 inches.
2. Score, sprinkle with salt and pepper.
3. Combine bread crumbs, egg, onion and 4 t of the melted butter, salt and pepper.
4. Spread the dressing on each piece of meat, roll up and fasten with a skewer or a toothpick.
5. Roll in flour and brown in remaining butter.
6. Add 2 cups of water (meat stock if you have it) and simmer 1 ½ hours.
7. Remove toothpicks.
8. Pour gravy over meat.
9. Garnish with chopped parsley and serve with mashed potatoes.