I didn't before, but I do now. I also know how to do it. Thanks to another great article I found on About.com here are some unusual foods that can be freezed.
Mix the yolks and egg whites together, and pour into an ice cube tray. Two cubes are the equivalent of one large egg.
Store in its original container, but pour out enough milk to allow for expansion – approximately a cup per gallon of milk. Thaw in the refrigerator, and shake well before using.
Store in its original container. Thaw in the refrigerator to use.
Freeze in peel. Then, simply thaw and peel to use in smoothies and breads. Note: the peel will turn black, but that won't effect the quality of the banana at all.
Wash and chop to desired size. Then, flash freeze on a tray, and transfer to a freezer bag or another air-tight container. To use: add the frozen celery directly to soups or other heated dishes.
Wash thoroughly. Then, freeze whole and unpeeled on a tray. Transfer to freezer bags once fully frozen.
Chop finely. Then, place in an ice cube tray along with a small amount of water. To use: simply drop frozen cubes directly into heated dishes.
Freeze (either in shell or shelled) in a freezer bag or another air-tight container.
Zucchini and Other Squash
Wash and chop to desired size. Then, blanch for three minutes; allow to cool; and freeze in an air-tight container.
Freeze whole or chopped, peeled or unpeeled.