In a very large bowl, toss together ingredients except for 1 cup of shredded cheese and breadcrumbs. Taste for seasonings, adjust with salt and pepper.
Grease the inside of a large slow cooker, add mixed ingredients. Top with remaining shredded cheese and breadcrumbs.
Cover and bake on high for two hours or low for 4-6 hours.
Notes
Breadcrumbs can be replaced with Ritz crackers, or crushed potato chips.