Does flour need to be stored in airtight container?
However, if you desire the sweet, natural smell and taste for your cooking, place it near bland foods and in (yes I am going to say it again) an air tight container. Flour can and will spoil. Therefore, it is necessary to store it properly to save money and have the best baked goods on your table. Does flour have to be in a sealed container? You can leave your flour in its original bag, but for long-term storage, it's best to move it to an air-tight container that can protect against smells (flour will absorb odors) and liquids from the freezer walls.