Your freezer is no longer just home to ice cream and TV dinners — it can actually serve as a great preservation tool. If you want fresh herbs to last longer, simply cut, clean, place in sealed plastic bags, and store in the freezer. When ready to use, simply chop and watch them instantaneously defrost once they hit the hot pan. Butter or bread on sale at your local supermarket? Take advantage of the deal by stocking up and storing it in the freezer. Freezing flour for 48 hours helps to kill any insect eggs that may be present, while freezing brown sugar will keep it from hardening. Generally speaking, your freezer with extend the life of most products, but take care not to overdo it and let them become victims of freezer burn.