Ingredients

• 6 firm-ripe medium peaches

• 1 1/2 cups distilled white vinegar

• 1 cup sugar

• 1 stalk of lemongrass, tender inner bulb only, thinly sliced

• One 1-inch piece of fresh ginger, peeled and thinly sliced

• 1/2 teaspoon whole black peppercorns

• 5 allspice berries

• 2 whole cloves

• One 3-inch cinnamon stick

• 1 tablespoon sorghum syrup or molasses

• Kosher salt

• Pepper

• 8 skin-on, bone-in chicken thighs (about 2 pounds)

• 1/2 cup plus 1 tablespoon extra-virgin olive oil, plus more for brushing

• 1 tablespoon red wine vinegar

• 2 garlic cloves, finely chopped

• 1/4 cup each chopped parsley, basil and tarragon

• 4 cups arugula, thick stems discarded