Good-Cooking - World Championship Barbecued Ribs

Ingredients

• 5 pounds pork loin back ribs
• 4 tablespoons paprika
• 2 teaspoons salt
• 2 teaspoons onion powder
• 2 teaspoons black pepper
• 2 teaspoons white pepper
• 2 teaspoons red pepper
• 6 tablespoons salt
• 6 tablespoons black pepper
• 6 tablespoons chili powder
• 4 cups ketchup
• 4 cups white vinegar
• 4 cups water
• 1 large yellow onion, diced
• 1/2 cup sorghum molasses