- four 5-ounce sweet potatoes
- 2 tablespoons fresh lime juice
- Preheat oven to 400°F.
- Prick sweet potatoes and roast on a foil-lined baking sheet in middle of oven 1 hour, or until very soft. Cool potatoes just until they can be handled and scoop flesh into a food processor.Purée potatoes until smooth. Add lime juice and salt to taste and purée mixture until combined well. Sweet potato purée may be made 2 days ahead and chilled, its surface covered with plastic wrap.