Lazy Man'S Ribs

Ingredients

• 2 1/2 lbs pork baby back ribs, cut into eight pieces
• 2 teaspoons cajun seasoning
• 1 medium onion, sliced
• 1 cup ketchup
• 1/2 cup packed brown sugar
• 1/3 cup orange juice
• 1/3 cup cider vinegar
• 1/4 cup molasses
• 2 tablespoons Worcestershire sauce
• 1 tablespoon barbecue sauce
• 1 teaspoon stone ground mustard
• 1 teaspoon paprika
• 1/2 teaspoon garlic powder
• 1/2 teaspoon liquid smoke
• salt, to taste
• 5 teaspoons cornstarch
• 1 tablespoon water