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• 1 3/4 pounds whole bone-in, skin-on split chicken breast halves
• Kosher salt and freshly ground black pepper
• 6 cloves garlic
• 6 whole scallions
• 1 (1-inch) knob fresh ginger
• 2 teaspoons toasted whole Sichuan peppercorns
• 1 tablespoon sugar
• 2 teaspoons black or plain sesame seeds
• 1 tablespoon sesame paste
• 1 tablespoon soy sauce
• 4 teaspoons Chinkiang or black vinegar
• 1/4 cup chile oil with sediment