In a large pot melt butter, add bell pepper and onion and saute till soft. Add garlic. Add all cans of tomatoes and half a can of each of water. Mash tomatoes so they are not so lumpy. Salt and pepper to taste. Simmer over low heat for about 15 minutes.
Cook macaroni according to package directions. Drain and rinse.
In a 9X11 dish layer macaroni, cheese, bread crumbs and sauce. Do this 3 to 4 more times. Place on a rimmed cookie sheet (it might spill over). Cook in 350* oven till sauce starts to bubble. Check the middle part of the casserole to make sure it is hot.
(if you did not have enough sauce, next time you make it add more water. If you water it down too much add another can of tomato sauce.)
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