A recipe that uses only yolks or only whites can leave half an egg behind. You do not have to throw it away. Raw whites and yolks can both be frozen once they are out of the shell, but yolks need one extra step.
Whites are easy to freeze
Separate each egg carefully so no yolk gets into the white, then portion the whites into freezer containers. Label the container with the number of whites and the date. For small portions, freeze individual whites in a clean ice-cube tray first and transfer the frozen portions to a freezer bag.
USDA lists 12 months as a best-quality freezer time for raw whites at 0°F (-18°C). Properly thawed whites can still be whipped for meringue.
Why yolks need special treatment
Plain yolks undergo gelation during freezing. Their proteins and lipoproteins reorganize and the thawed yolk becomes thick, syrupy or almost rubbery, making it difficult to blend into a recipe.
The American Egg Board recommends beating either 1/8 teaspoon salt or 1½ teaspoons sugar or corn syrup into ¼ cup yolks, about four large yolks. Use salt for savory recipes and sugar for desserts.
Label the additive
Write the number of yolks, date and whether they contain salt or sugar. A sweetened frozen yolk is useful for custards and cakes but is a poor surprise in mayonnaise.
Do not freeze eggs in the shell
Liquid expands as it freezes and can crack the shell. FDA and USDA advise against freezing shell eggs. If you want to freeze whole eggs, crack them first and beat yolks and whites together just until blended.
How to thaw frozen eggs
Thaw them in the refrigerator, not on the counter. After thawing, use them in foods that will be cooked appropriately. For recipes served raw or undercooked, FDA recommends pasteurized eggs or pasteurized egg products.
The no-waste rule
Whites: freeze directly in measured portions. Yolks: beat with the correct salt or sugar treatment. In both cases, freeze out of the shell, seal tightly, label clearly and thaw cold.
Portion before freezing
Freezing whites in the exact amount used by a common recipe saves measuring later. Silicone ice trays, small freezer containers or clearly labeled bags can hold one or two whites per portion. Once solid, portions can be transferred to a larger bag. For yolks, record whether salt or sugar was added so the thawed portion goes into the right savory or sweet recipe.
Texture changes are different for whites and yolks
Egg whites are mostly water and protein, so they usually thaw with little noticeable damage and can still whip well after gentle mixing. Yolks contain more fat and complex protein structures. Without treatment they can become thick and gel-like during freezing, which is why a small amount of salt or sugar is traditionally mixed in before storage.
Thaw in the refrigerator
Slow refrigerator thawing keeps eggs at a safer temperature and produces a more predictable texture than leaving them on the counter. A small frozen portion often thaws overnight. After thawing, stir gently until uniform and use promptly. Refreezing thawed raw egg is not a useful routine because quality declines and temperature handling becomes harder to control.
Cooked yolks are another option
Hard-cooked whole eggs do not freeze especially well because the whites can become rubbery. Cooked yolks alone tolerate freezing better and can be crumbled into salads or sauces after thawing. If a recipe creates spare yolks, however, freezing them raw with the appropriate additive usually preserves more culinary flexibility.
Use pasteurized eggs for uncooked dishes
Freezing does not make raw egg microbiologically safe. If thawed whites or yolks will be used in mousse, icing, homemade mayonnaise or another preparation that is not fully cooked, pasteurized egg products are the safer choice. For baked goods and thoroughly cooked dishes, ordinary properly handled eggs are generally straightforward to use.
Quality is best when the frozen portions are protected from air
Egg portions dry out and pick up freezer odors if the container is poorly sealed. Press excess air from freezer bags and use small containers that leave little headspace. A label with the number of whites or yolks is more useful than a vague “eggs” label, especially after several weeks. Frozen egg is most convenient when it can move directly into a known recipe without thawing a large mixed batch first.
Sources
- USDA FSIS — Can I freeze egg yolks? — Yolk gelation, freezing whites and yolks, and storage guidance.
- FDA — What You Need to Know About Egg Safety — No shell freezing and one-year frozen-egg reference.
- American Egg Board — Egg handling and storage tips — Salt and sugar amounts used to retard yolk gelation.