Put first 10 ingredients (pork - pepper)in crock pot, cover and cook on low heat for 8-10 hours (or on high heat for 4-5 hours).
Stir in tomatoes, cover and cook for 10 minutes longer.
To make crumb topping: combine crumb topping ingredients in a plastic baggie. Sprinkle crumb mixture over stew and cook 15 minutes longer.
***To make ahead and freeze. Prepare stew as directed and turn into a 3-quart casserole, freeze covered for up to one month. Topping can also be frozen (separately) for up to one month. To serve: Thaw casserole and crumb topping in refrigerator for up to 2 days ahead of time. Preheat oven to 400-degrees F. Bake casserole covered for 30 minutes, uncover and sprinkle with crumb topping and bake for 15-20 minutes longer or until heated through.