01 -
Set an oven rack 4 to 6 inches from the broiler element and line a baking sheet with foil.
02 -
Lay cocktail rye slices in a single layer on the prepared baking sheet, close but not overlapping.
03 -
Spread about 2 teaspoons of Thousand Island dressing on each slice. Top with a folded piece of corned beef, a small pinch of drained sauerkraut, and a quarter slice of Swiss cheese trimmed to fit.
04 -
Broil for 3 to 5 minutes, rotating the pan once, until the cheese is melted and lightly golden. Serve warm.