Poor Woman'S Lobster
["1 lb. skinless frozen haddock fillets", "2 Tbsp. salt", "water (see following)", "2 Tbsp. vinegar", "1/2 tsp. sugar", "1/2 c. or more melted butter"]
["Per pound of skinless frozen haddock fillets, use 2 tablespoons salt in cold water to cover in large skillet.", "Boil gently for 10 minutes, then drain.", "Again, cover with cold water, adding 2 tablespoons vinegar and 1/2 teaspoon sugar.", "Bring to boil and boil for 10 minutes.", "Drain well; remove to hot platter. Serve immediately with melted butter.", "(Do not leave fish \"standing\" in water after it has cooked.)"]
["salt", "water", "vinegar", "sugar", "butter"]