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A: Chopped or sliced onions can be stored in a sealed container in your refrigerator at the proper temperature of 40Â°F or below for 7 to 10 days (Source: USDA). For pre-cut fresh or frozen products, always use and follow manufactures use by dates.
(iStock). Certain items are at their prime when stored at room temperature. Hot Sauce. It can live happily in the pantry for up to three years. Potatoes. Refrigeration adversely affects their flavor, so store in the pantry in paper bags (plastic bags trap moisture and speed decay).Most varieties should last three weeks.Bread. The refrigerator dries it out fast.nstead, keep what youâll eat within four days at room temperature and freeze the rest. Onions. They like their original mesh bag (or any bag that allows for air circulation) in the pantry. But keep them away from potatoes, which emit moisture and gases that can cause onions to rot.