…assuming you use dairy products. There is vitamin K in sour cream, but you take a lesson from Gordon Ramsey and use Crème Fraîche – which supposedly does not have any vitamin K:
Greek yogurt is another alternative, and my recipe calls for water so as not to alienate the lactose intolerant. The taste/texture hasn’t been an issue to me – I usually add sauteed mushrooms & onions, grape/cherry tomatoes, and sriracha. Almost an omelette, and some originally were planned to be omelettes… 😉