2 cups shredded coleslaw mix |
5 tablespoons thousand island dressing, divided |
1 tablespoon white vinegar |
1/4 teaspoon freshly ground pepper |
1 teaspoon spicy brown mustard |
4 slices rye or pumpernickel bread |
1 (7-oz.) package oscar mayer shaved roast beef |
1/2 granny smith apple, cored and thinly sliced |
2 (1-oz.) swiss cheese slices |
2 tablespoons butter, melted |