Food & Cooking Recipes Healthy Recipes Gluten-Free Recipes Roasted Japanese Sweet Potatoes By Martha Stewart Editors Martha Stewart Editors Facebook Instagram Twitter Website An article attributed to "Martha Stewart Editors" indicates when several writers and editors have contributed to an article over the years. These collaborations allow us to provide you with the most accurate, up-to-date, and comprehensive information available.The Martha Stewart team aims to teach and inspire readers daily with tested-until-perfected recipes, creative DIY projects, and elevated home and entertaining ideas. They are experts in their fields who research, create, and test the best ways to help readers design the life they want. The joy is in the doing. Editorial Guidelines Updated on May 16, 2017 Print Share Share Tweet Pin Email Photo: Johnny Miller Prep Time: 5 mins Total Time: 1 hrs 5 mins Yield: 4 This mouthwatering baked sweet potato is loaded with fiber and vitamin C. Ingredients 4 Japanese sweet potatoes, scrubbed Extra-virgin olive oil, for drizzling Flaky sea salt, such as Maldon, and freshly ground pepper, for serving Directions Preheat oven to 400 degrees. Prick sweet potatoes all over with a fork; arrange on a parchment-lined baking sheet. Roast until very tender, about 1 hour, depending on size. Split open, drizzle with olive oil, and season with salt and pepper; serve. Print