Microwave them when you want a quick side dish or a satisfying small meal. 7 Ways to Use up Those Tasty Spuds Sweet potatoes that are bruised haven’t cured correctly. However, freezing them like that is a bit riskier and requires more care. Instead, keep your sweet potatoes in a basket in a kitchen cabinet or basement. You see, it might be even better to freeze sweet potatoes after baking, cooking or roasting them since they will probably lose less texture and taste in the process. However, you can also prep them ahead of time and store them in the refrigerator. You can have homegrown tubers for months past the growing season if you know how to store sweet potatoes after harvest. Sweet potatoes and white potatoes do well in similar storage conditions — the two can even be stored together! Sweet potato storage requires careful curing to prevent mildew and to trigger the formation of sugar producing enzymes. Storing Sweet Potatoes. Storing and Using Leftover Sweet Potatoes . The long answer requires a bit more extra steps to the entire process. When you need to save time, buying pre-cut sweet potatoes is an easy option. Bake whole sweet potatoes ahead of time and refrigerate them for up to 10 days. When your sweet potatoes are cooked, cooled and bagged, store them in the back of the freezer where they will stay fresh for up to a full year. If sweet potatoes don't last very long in your house, you can also do as I do, and place them in a bowl in a cool spot on your kitchen counter, away from windows. Easy peasy. Store uncooked sweet potatoes in a cool, dry place for up to a month. When you need to save time, buying pre-cut sweet potatoes is an easy option. To reheat baked sweet potatoes, cut them in half and place them cut-side-up on a microwave-safe plate. This is the best way to store them for longer lengths of time. Cooked sweet potatoes last in the refrigerator in an airtight container for four to five days. However, you can also prep them ahead of time and store … Sweet potatoes are versatile tubers that have fewer calories than traditional potatoes and are a perfect stand in for that starchy vegetable. The short answer to this often-asked question is – yes, you can. In addition to the instructions for storing white potatoes, here are the steps you should follow for storing sweet potatoes: Avoid bruised sweet potatoes.