1 pkg. lasagna noodles
2 lbs. potatoes
1 1/2 c. grated sharp cheese
1/2 c. melted butter
1 tbsp. parsley
1 c. chopped onion

Cook noodles; set aside. Cook potatoes; drain and mash smooth. Combine potatoes and cheese, 1/4 cup melted butter, and parsley. Beat until fluffy. In a well buttered 8 x 12 inch baking pan, layer noodles, then potato mix. End with layer of noodles. Cover with foil and bake at 350 degrees for 1 hour. A few minutes before serving, saute onions with butter and top casserole.