Chicken Baked in Foil with Sweet Potato and Radish | America's Test Kitchen

Ingredients

• 5 tablespoons extra-virgin olive oil
• 6 garlic cloves, sliced thin
• 1 tablespoon grated fresh ginger
• 1/4 teaspoon red pepper flakes
• 12 ounces sweet potato, peeled and sliced 1/4 inch thick
• 4 radishes, trimmed and quartered
• 2 celery ribs, quartered lengthwise and cut into 2-inch lengths
• 1/2 large red onion, sliced 1/2 inch thick, layers separated
• Kosher salt and pepper
• 4 (6-ounce) boneless, skinless chicken breasts, trimmed
• 2 tablespoons unseasoned rice vinegar
• 2 tablespoons minced fresh cilantro