Mrs Ingraham's Easy Lasagna

1-2 lbs hamburger
1 jar marinara sauce
Lasagna noodles
9 slices Mozzarella cheese

Fry hamburger
Add Marinara sauce

Layer noodles, meat & Mozzarella cheese alternately.
Bake at 350 for 20 -25 minutes if you precook the noodles OR if you use uncooked noodles put a light layer of meat under the 1st noodles and bake covered in foil for 45 minutes and 15 minutes more uncovered.