8-10 potatoes, boiled and mashed
1 lb. grated Cheddar cheese
2 1/2 sticks butter
2 lg. onions, finely diced
1 lb. lasagne noodles, cooked

Cook lasagna noodles according to package directions. Mash potatoes, add cheese to potatoes and beat with a mixer. Saute onions in butter until tender. Add 1/3 of onions and butter to potato mixture and salt to taste.

Generously butter 9x13 inch baking dish. Place a layer of noodles in dish, then a layer of potato mixture. Repeat, ending with a layer of noodles. Pour remaining butter and onions on top. Cover with foil and bake at 350 degrees until heated through.