1 pkg. finger size pull apart rolls (Merita)
1 stick butter
1/2 tbsp. poppy seeds
1/2 tsp. prepared mustard
6 oz. pkg. Swiss cheese slices
6 or 8 oz. pkg. ham slices
1/2 tbsp. onion flakes
1/2 tsp. Worcestershire sauce

Slice through (whole pack) rolls. Place ham, cheese between bread. Make sauce of rest of ingredients. Pour over rolls. Let stand 30 minutes or more. Bake at 350 degrees for 15 or 20 minutes, slice rolls apart and serve.