Saute 2 large onions in 1 1/2 sticks of butter. Lasagna noodles, 6 to 9. Cook lasagna noodles according to package directions.

In a square baking dish ladle in enough onions and butter to cover bottom of dish on top of this add 1 layer of noodles. Prepare mashed potatoes as you would for a meal. Spread a layer of mashed potatoes on top of noodles. Add another layer of noodles.

If you like sauerkraut (drain) spread this on top of noodles. Add another layer of noodles. Add the rest of onions and butter on top. Spread so all parts of noodles are covered. Bake at 350 degrees until heated (about 15 minutes). Serve in squares.