1 tbsp. vinegar
1 lb. frozen Haddock
2 c. water
1 tbsp. Old Bay seasoning
1/2 tsp. salt
Pinch sugar

Add vinegar, Old Bay, salt, and sugar to water in flat kettle - bring to a boil. Add frozen Haddock - bring to a boil. Simmer 1/2 hour. Drain well, serve with melted butter.