I’ve eat at Sherkaan quite often, and I love their food. There are a lot of GF options, including vegetarian, and the staff take care not to cross-contaminate. If you are celiac, you should definitely let your server know and double check, but on both my visits all items marked gf on the menu were celiac-safe. Highly recommend!!
Update: The dedicated fryer *should* be safe. There was some confusion about that for a while, so definitely ask your server about it if cross-contamination is a problem for you.
— Somewhat
— Gluten-free items are marked on the main menu
— Some
— Excellent