1 serrano chile, stemmed, seeded, and finely chopped
6 scallions, trimmed and thinly sliced
Total time: 5 minutes
In a small bowl, stir together peanut butter, oil, pepper flakes, soy sauce, peppercorns (if using), and chile until well combined. Brush onto grilled chicken as it comes off the grill, and scatter scallions over the top.