Combine marinara sauce, Texas Pete® Original Hot Sauce, diced pepper, diced onion, chopped garlic, red wine vinegar, cajun seasoning and pepper for marinade.
Place meat in large, sealable container or bag. Add marinade and allow to coat.
Refrigerate for 48 hours.
Place ribs and marinade in a covered brazier and cook at 325° for 2 1/2 hours or until ribs are tender.