Balinese Sticky Glazed Pork Ribs

Name: Balinese Sticky Glazed Pork Ribs
Ingredients: 10 tablespoon kecap manis; ½ cup rice vinegar or white-wine vinegar; ½ cup palm sugar or brown sugar; 7 ounces red chiles, about 8 Holland or 4 large Fresno, roughly chopped (seeded if you prefer less heat); 12 garlic cloves, roughly chopped; 2 small banana-shaped shallots or 4 small round Thai shallots, peeled and roughly chopped; 4 ½ to 5-inch piece fresh ginger, peeled and thinly sliced; 1 teaspoon flaky sea salt; 2 racks pork spare ribs (about 2 1/2 pounds each)