A zesty sandwich perfectly portable and wonderfully good !

1 serving
326 calories per serving

1 Arnold Sandwich Thin roll (only 100 calories!)
4 oz. lean deli roast beef, thinly sliced
1 slice low fat swiss cheese
1/3 c spinach leaves
1 slice red onion
½ T horseradish
½ T light mayonnaise

Mix mayo and horseradish and spread on bun then top with meat, cheese, spinach and onion.