Egg Tarts Originated from Hong Kong and are known as Chinese Egg Tarts.
Egg tarts were introduced to Hong Kong via Guangzhou in the 1940s but initially could only be found in higher-end Western-style restaurants. In the 1960s, cha chaan tengs began to serve egg tarts, popularizing the pastry with the working-class Hong Kong population.
Chinese egg tarts last for up to 3 days in the refrigerator.
You should keep the Chinese Egg Tarts in the refrigerator if not consuming the Chinese Egg Tarts the same day.
When kept refrigerated the Chinese Egg Tarts will last for up to 3 days and if you want to keep the Chinese Egg Tarts longer than 3 days you should freeze them instead.
When you freeze Chinese Egg Tarts they will last for up to a 6 months but it's best to eat them within a few months of freezing.
The longer you keep the egg tarts the less fresh they become so it's best to eat them as soon as possible.
You can reheat Chinese Egg Tarts in a Toaster Oven or place them in your regular oven.
Just cover the top of the Chinese Egg Tarts with some aluminum foil to prevent them from burning.