1/8 Savoy cabbage (about 1/4 lb. or 2 c.), shredded
1/4 c. mayonnaise
2 tbsp. Dijon mustard
Salt and pepper
8 slices rye bread
1 lb. thin sliced roast beef

Shred the cabbage. Combine with mayonnaise, mustard and salt and pepper to taste. Top 4 slices of bread with the roast beef, cole slaw and remaining slices of bread.