Pierogi Lasagna

1/2 pound cheddar cheese, shredded
1/2 pound Velveeta cheese
1/2 pound American cheese slices
10 potatoes, peeled, diced
2 onions, chopped
1/2 cup butter
1 (16 ounce) package lasagna noodles
Grease a lasagna dish; set aside.

Place all cheese together in a mixing bowl; set aside.

In a large pot, boil potatoes; drain.

In a frying pan, saute onion in butter.

In a large pot of boiling water, cook noodles according to package directions.

Add 1/2 of the cooked onion to potatoes; add cheese to potatoes and mash until cheeses melt.

Place 1/2 of the remaining onions on the bottom of baking dish. Layer noodles and potatoes, beginning and ending with noodles. Top with remaining onions. Cover with aluminum foil.

Bake at 325 degrees F for 20 minutes.