Cook meat in oil with onion.

While meat is browning, open cans and combine in a large kettle.

Add meat and simmer for 30 minutes,

Cook lasagna noodles. Into the very large roasting pan, put 1 cup of sauce on the bottom.

Add lasagna strips, then the mixture, then 2 kinds of cheese.

Keep repeating.

The top layer has the mixture and cheese on top.

Sprinkle Parmesan cheese on top and a very faint sprinkle of oregano.

Bake in 350-degree oven 30- 40 minutes.

Let set for about 10 minutes before serving.