Want your sweet potatoes to last the full five weeks? Here’s the simple secret: don’t wash them. Moisture is their enemy. Wash them only right before you cook them.
Also, store them away from onions and apples. Onions give off a gas that makes sweet potatoes spoil faster. It’s like they’re in a bad relationship. Separate them, and they both last longer.
And if you see a weird spot on one, you don’t have to throw the whole thing away. Just cut off the bad part—about an inch deep around the spot—and roast the rest. Sweet potatoes are generous like that.
What about cooked sweet potatoes?
Once you bake or boil them, the rules change. Cooked sweet potatoes are good for about 4-5 days in the fridge. Keep them in a sealed container. If they start to smell sour or get slimy, don’t risk it.
But here’s a fun trick: bake a bunch on Sunday, then use them for quick lunches or as a side during the week. They’re like meal-prep superheroes. You can also freeze mashed sweet potatoes for months. Just portion them into bags.
Compare this to a delicate salad green that wilts in two days. Sweet potatoes are basically the loyal dog of the kitchen. They don’t run away. They just quietly wait for you to remember how much you love them.