2 lbs. hamburger
1 lg. onion, diced

Brown and drain off grease.

Add:

1 1/2 c. spaghetti
1 qt. can tomatoes
1 diced green pepper
1/4 lb. Velveeta cheese

Mix all together. Place in 9 x 13 inch greased casserole. Bake 1 hour at 350 degrees. Cover until last 20 minutes. Stir two or three times during baking. Uncover last 20 minutes and put some cheese on top.