Sethos is a four-star Electro Bow user affiliated with the Temple of Silence. His specialty dish is called the Super-Dee-Duper Delicious Meat Roll, a variation on the Shawarma Wrap. Here's everything you need to know about how to prepare it.
Sethos' Specialty: Super-Dee-Duper Delicious Meat Roll [Genshin Impact]
You can cook Super-Dee-Duper Delicious Meat Roll on any stove with Sethos, so you'll need to pick it up first from the gacha, an event, or the Starglitter shop if it's being exchanged.
Use a stove or campfire anywhere in the open world or Serenitea Pot to open the cooking menu. Then select Shawarma Wrap, which you can prepare with the following ingredients:
Spice can be processed with Harra Fruits. If you are short on time, even if you are using the Ultra-Hot Burner Lamp Test Model, you can buy 10 Spices per day from Azalai in Aaru Village.