Wisconsin Fish Boil: A Recipe

(Crosspost on For Health's Sake)

4 small red potatoes, scrubbed
2 small white onions, pealed
2 whole Lake Michigan whitefish, cleaned and heads removed
Salt, pepper, rye bread slices, good coleslaw
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Boil a pot of salted water. Drop in potato and onion and cook until just tender. Add whitefish, cut into hunks. Boil until fish is flaky. Drain. Serve potato and onion in a bowl with lots of butter. Lay fish on a plate with rye bread and butter. The butter is important. Salt and pepper to taste