Chipotle chiles in adobo are smoke-dried jalapeños packed in a spicy tomato-and-vinegar sauce. They add a lively spark of flavor to autumn’s sweet potatoes. Adjust the chipotles to suit your taste.
Preheat the oven to 400°F. Prick each sweet potato in several spots with a fork and place on a rimmed baking sheet. Bake until tender when pierced with a knife,