2 tbsp. unsalted butter
1/2 lb. white mushrooms, sliced thin
8 thin slices whole wheat bread, crust removed
8 thin slices Mozzarella cheese
Chopped fresh oregano or marjoram
Herb sprigs for garnish
Butter for frying

Melt 2 tbsp. butter in a saute pan and saute mushrooms until tender. Lay out 4 slices of bread. Top each with a slice of cheese and some mushrooms. Sprinkle with herbs. Top each with another slice of cheese and another slice of bread. Press together. Lightly pan fry sandwiches in a little butter, turning once. Cut each sandwich into 3 bars and top each with an herb sprig. Serve hot.