Oven 400F.
Sauce
1lb hamburger. Yes, beef. Use chicken if you want, or no meat at all!! *shock*
1 can of spag sauce, any flavour, go ahead. Pick.
1 onion
1 green pepper
1 tsp. oregano
Do whatever you do to make your sauce. This is what I use. Adjust accordingly.
You will also need:

Thin layer of sauce, 3 noodles, 1/3 the sauce, 1/3 the cheese, 3 noodles, filling,
cheese,noodles,sauce,cheese slices,remaining shredded cheese.
Bake 1/2 hr to 45 mins. till top is bubbly, or freeze. Cover with foil for first 20 min. if cooking from frozen.