Can you still use eggs that have been accidentally frozen in their shell?

No, you should not use eggs that have been frozen in their shell.

Here's why:

* The shell will crack: When water freezes, it expands. This expansion will cause the shell of the egg to crack, even if you don't see visible cracks.

* The egg white will become watery: Freezing disrupts the protein structure in the egg white, making it runny and watery.

* The yolk will become rubbery: The yolk will also be affected by the freezing process, becoming rubbery and difficult to cook with.

* Bacteria growth: The freezing process may not kill all bacteria that could be present in the egg.

It is safer to discard any frozen eggs and avoid eating them.