how long to pre cook pork ribs?
Mix together water, garlic, onion, bay leaves, red chili flakes, Chinese five-spice, salt, and rice vinegar in a large pot. Bring to a boil, turn to low, and simmer for 15-20 minutes. Place ribs in the simmering broth. Return to a simmer, turn heat to low, and cook for 1 hour. Preheat the oven to 375 degrees F (190 degrees C). Line a baking sheet with a silicone baking mat, or coat with cooking spray.