Ingredients

• 1 tablespoon kosher salt

• 1 tablespoon black peppercorns

• 1 teaspoon cumin seeds

• 1 teaspoon fennel seeds

• 1/2 teaspoon crushed red pepper

• 1 tablespoon fresh rosemary, chopped

• 1 teaspoon garlic powder

• 1 teaspoon paprika

• 6 bone-in, skin-on chicken thighs (about 3 pounds)

• 1 1/2 pounds radishes (about 2 bunches), trimmed and halved lengthwise

• 3 tablespoons extra-virgin olive oil

• 6 cups baby arugula

• Kosher salt