Golden Fish Fillets With Onions
["butter or margarine", "1 large onion, sliced", "1/4 c. all-purpose flour", "1 tsp. salt", "1/4 tsp. pepper", "1/4 tsp. paprika", "6 fillets of sole or flounder (about 2 lb.)", "1/4 c. lemon juice", "1/2 tsp. Worcestershire sauce", "watercress", "lemon wedges"]
["About 45 minutes before serving, in 2 tablespoons of butter or margarine in large skillet, saute onion until tender.", "Remove to platter; keep warm.", "Meanwhile, combine flour with salt, pepper and paprika.", "In it lay sole or flounder fillets, halved crosswise.", "Turn until coated."]
["butter", "onion", "all-purpose", "salt", "pepper", "paprika", "flounder", "lemon juice", "Worcestershire sauce", "watercress", "lemon wedges"]