2 tbsp. mustard
2 sticks butter, melted
3 tbsp. poppy seeds
1 onion, grated
1 tbsp. Worcestershire sauce
3 pkg. small dinner rolls
3 oz. boiled ham, sliced
3 oz. Swiss cheese, grated

Combine first 5 ingredients in bowl and mix well. Cut rolls in half. Spread sauce over bottom half of roll. Bake at 350 degrees for 10 to 12 minutes until heated thoroughly. May be frozen and reheated.