Best veg sides for beef?

[WouldBeGood]

Doing a fancy bit of sirloin for Christmas. Gravy, Yorkshires and tatties a given.

Can you wow me with lovely ideas for veg accompaniments?

Cauliflower cheese or potato dauphinoise, roast green beans garlic and tomatoes

honey and garlic roasted carrots and turnips.
cauliflower and broccoli cheese
roasted beetroot
Potato rosti
confit potatoes
hasselback potatoes
Shredded brussels sprouts and leeks cooked with butter
Garlic roasted cauliflower
Roasted shallots with a balsamic glaze

Mashed and roast potatoes, mashed turnip, roast carrots, parsnip, onions

Braised red cabbage