Roasted sweet potatoes are probably the most popular snack in Japan in the autumn. It’s simple, really: you just roast a sweet potato over dry heat. Nothing more. It’s certainly comfort food.
- purple skinned sweet potatoes
- butter, for serving (optional)
- salt, for serving, (optional)
- Roast sweet potato covered in a pan on a very low flame for about an hour (turning over now and again.)
- Serve with butter or salt, to taste.