How is stETH minted?

Could you please explain the process of minting stETH? I'm quite fascinated by the intricacies of cryptocurrency and finance, and this particular topic has piqued my curiosity. I understand that stETH, as a derivative of Ether, has its own unique minting process, but I'm not entirely clear on the specifics. Could you break it down for me? What are the key steps involved? Are there any specific requirements or conditions that need to be met? I'm eager to learn more about this fascinating aspect of the crypto world.