Step 1
Reserve 4 bread slices. Spread the remaining bread with the thousand island dressing. Divide half the bread, dressing-side up, among serving plates. Top with half the spinach, pastrami or silverside, sauerkraut and cheese.
Step 2
Repeat with remaining bread, dressing-side up, spinach, pastrami or silverside, sauerkraut and cheese. Top with the reserved bread and serve immediately.