Arrange 5 lasagna noodles in a lightly greased 13"x9" pan, set aside.

Combine potatoes, eggs, cheese, and seasonings. Spread half of the potato mixture over lasagna.

Cover with another 5 lasagna noodles; spread with remaining potato mixture.

Top with remaining lasagna noodles, set aside.

Melt butter in a skillet over medium heat. Saute onion in butter until tender. Pour onion mixture over lasagna.

To freeze - cover unbaked casserole tightly with aluminum foil and freeze.

To serve - thaw overnight in refrigerator. Bake, covered, at 350 degrees for 30 minutes. Let stand for 10 minutes before slicing.