1 loaf Vienna bread
3/4 lb. grated Swiss cheese
1 can drained mushrooms
1 tsp. dry mustard
1/2 lb. butter, soft
1/4 c. grated scallions
2 tbsp. poppy seeds

Cut loaf of bread with electric knife. Do not cut all the way through. Mix together all ingredients and stuff into loaf. Wrap in foil. Bake 40 minutes at 350 degrees.