In a 6- to 7-quart slow cooker combine pork shoulder, kielbasa, onions, garlic, beans, carrots, chicken broth, tomato paste, thyme, and pepper. Cover; cook on low-heat setting for 8 to 10 hours or on high-heat setting for 4 to 5 hours. Stir in tomatoes. Cover and cook 10 minutes more.
Turn pork mixture into shallow 3-quart freezer-to-oven casserole dish. Freeze, covered, up to 1 month. Prepare and freeze Crumb Topper up to 1 month. Makes 8 servings.
Thaw casserole and Crumb Topper in refrigerator 2 days ahead of serving. Preheat oven to 400 degrees F. Bake casserole, covered, for 30 minutes. Uncover; sprinkle with crumb mixture. Bake 15 to 20 minutes more or until heated through.
Crumb Topper: In a resealable freezer bag combine bread crumbs, parsley, Parmesan cheese, and olive oil.