1 1/2 c. bread crumbs, divided
6 c. mashed potatoes
4 eggs
4 tbsp. butter, softened
16 oz. Mozzarella cheese, sliced thin
1 c. grated Parmesan cheese

Sprinkle 1/2 cup bread crumbs in greased shallow baking dish; set aside. Mix well the mashed potatoes, eggs and Parmesan cheese. Spread 1/2 the mixture in prepared baking dish, top with Mozzarella slices, then spread remaining potato mixture over cheese. Mix remaining bread crumbs with butter, sprinkle on top. Bake in preheated oven at 350 degrees for 50 to 60 minutes or until potatoes are firm and crumbs browned. Let stand 15 minutes. Serves 8.