Food Recipe Collections & Favorites Seasonal Meals Italian Sweet-and-Sour Sweet Potatoes With Rosemary 5.0 (2) 1 Review By Chris Morocco Chris Morocco Chris is a senior food editor and test kitchen director at Bon Appétit with over 10 years of experience in the food industry. Real Simple's Editorial Guidelines Updated on October 22, 2014 Print Rate It Share Share Tweet Pin Email Photo: Roland Bello Hands On Time: 10 mins Total Time: 1 hrs 5 mins Yield: 8 serves Jump to Nutrition Facts Ingredients ¼ cup red wine vinegar 3 tablespoons brown sugar 3 medium sweet potatoes (about 2 1/2 pounds total), sliced 2 tablespoons olive oil 2 sprigs fresh rosemary Kosher salt and black pepper 3 tablespoons unsalted butter, cut into small pieces Directions Heat oven to 400° F. Whisk together the vinegar and sugar in a small bowl. Set aside. Toss the potatoes, oil, rosemary, 1 teaspoon salt, and 1/4 teaspoon pepper in a 9-by-13-inch baking dish. Cover with foil and bake until just tender, 30 to 35 minutes. Add the butter and reserved vinegar mixture. Continue to roast, uncovered, basting occasionally with the pan juices, until the potatoes are golden brown, 25 to 35 minutes more. Rate it Print Nutrition Facts (per serving) 211 Calories 8g Fat 34g Carbs 2g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Calories 211 % Daily Value * Total Fat 8g 10% Cholesterol 11mg 4% Sodium 321mg 14% Total Carbohydrate 34g 12% Total Sugars 11g Protein 2g Calcium 49mg 4% Iron 1mg 6% *The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.