Kansas City Style Pork Ribs

INGREDIENTS

• 1 tablespoon onion powder
• Kansas City Barbeque Sauce, recipe follows
• 2/3 cup apple cider vinegar
• 1 tablespoon smoked paprika
• 1/2 teaspoon cayenne pepper
• 1 tablespoon garlic powder
• 1/2 cup brown sugar
• 3 cups water
• 1/4 teaspoon smoked paprika
• 1 teaspoon freshly ground black pepper
• 2 cups brown sugar
• 1/2 cup dry mustard
• 2 tablespoons vegetable oil
• 2 teaspoons freshly ground black pepper
• 1/4 cup molasses
• 1 teaspoon salt
• 1 cup (2 (6-ounce) cans) tomato paste
• 1 (about 2/3 cup)small onion, finely diced
• 1 tablespoon salt
• 2 slabs pork spare ribs, 3 pounds each
• 1 tablespoon cayenne pepper