1 Place peppercorn-coriander paste in large bowl; stir in fish sauce and blend well.2 Add chicken to marinade and turn to coat. Let stand, covered, at room temperature for about 1 hour or in the refrigerator for as long as 3 hours.3 Prepare gas or charcoal grill, or preheat broiler. Place chicken on grill 4 – 5 inches from flame, bone-side down, and grill until bottom is starting to brown, about 6 – 8 minutes.4 Turn chicken pieces and continue cooking until golden brown on other sides and juices run clear when meat is pierced with fork, about another 6 – 8 minutes.5 Transfer chicken to platter and top each piece with up to one-quarter of the hot and sweet dipping sauce.6 Peppercorn-Coriander Flavor Paste:7 n food processor, combine 4 tablespoons black peppercorns, 6 large garlic cloves, 1 tablespoon ground coriander and 1/8 teaspoon salt. Pulse about one minute, to consistency of paste. Add 1 teaspoon Thai fish sauce and combine well.8 Hot and Sweet Dipping Sauce:9 In small saucepan, bring to a boil over medium-high heat 1/2 cup rice vinegar. Stir in 1/2 cup sugar; continue stirring until sugar is completely dissolved. Lower heat to medium-low and simmer 5 minutes.10 With the back of a spoon, mash 1 large garlic clove. Combine mashed garlic with 1/4 teaspoon salt and 1 teaspoon dried red pepper flakes. Remove vinegar mixture from heat; stir garlic mixture into vinegar sauce and blend well. Cool to room temperature.