Surprise Sandwich Loaf - cooking recipe

Ingredients

1 small sandwich loaf
butter or margarine (optional)
8 slices cooked ham
2 Tbsp. mustard
3 tomatoes
dash of salt
dash of ground pepper
8 slices Jarlsberg or Monterey Jack cheese
grated Parmesan cheese

Preparation

Slice bread into 16 even slices, but not all the way through. Butter bread slices, if desired.
Preheat oven to 425\u00b0.