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Cover fish with cold water to freshen. Let stand in cold water 4 hours, changing water 3 to 4 times (or follow directions on package). Drain fish and remove any pieces of bone. Flake and set aside.
Wash, pare, and cut potatoes into pieces. Combine fish, potatoes, and onion in a large saucepan. Add cold water to cover. Cover saucepan and bring to boiling. Cook until potatoes are tender.
For dill sauce, combine all ingredients. Mix well. Refrigerate.
Thoroughly drain and mash potatoes, fish, and onion. Add eggs, paprika, and pepper; whip until mixture is fluffy. Using 2 tablespoons of batter for each, shape into balls.
Heat Crisco to 365ºF in a deep saucepan or deep fryer. Drop only as many fish balls at one time into hot Crisco as will float uncrowded one layer deep. Fry for 2 to 5 minutes or until golden brown, turning balls as they brown. Drain on paper towels.
Serve with Dill Sauce.

Preheat oven to 450ºF.
Put Crisco, water, and salt into a saucepan and bring to a rolling boil.
Add flour all at one time. Beat vigorously with a wooden spoon until mixture leaves sides of pan and forms a smooth ball. Remove from heat.
Add eggs, one at a time, beating until mixture is thick and smooth.
Drop dough by teaspoonfuls 1-1/2 inches apart onto greased cookie sheets.
Bake at 450ºF for 10 minutes. Reduce heat to 350ºF and continue baking for 10 minutes. Cool.

For Chicken Salad Filling, combine all ingredients.
Cut off tops of puffs and pull out any soft moist dough. Spoon Chicken Salad Filling into puffs. Replace tops.