Place the chicken pepper, tomatoes, onion and Italian seasoning in the slow cooker. I used a 6 quart slow cooker.
Cook over low heat for 8 to 10 hours.Shred chicken and stir in slow cooker Stir in cooked pasta and mozzarella cheese Garnish with Parmesan.
Covering also cooking to cheese is melt. Then melt the butter in a saucepan and sauté the breadcrumbs until dark brown in color. Sprinkle sautéed bread crumbs over pasta.