1 lb. lasagna noodles - boiled till firm not mushy

Sauce:
1 1/2 lb. ground chuck
No.2 can Contadina tomato puree
1 large onion, chopped
few stalks celery, chopped
1 large clove garlic, cut fine
good handful of fresh parsley or 2 T. dried
salt and pepper to taste
1 c. water

Filling:
1 lb. sliced muenster cheese grated cheese (about 1 c.)