Can a non US Cook-Key® be used on a US TM5? Yes. And with this configuration the user can access a non US Cookidoo® account. Related articles What are the steps to get started with Cookidoo® and the TM5? TM5 Mushroom Risotto Is the Cook-Key® available in the US? Can a foreign Cookidoo® account be moved to the US? I am an active duty service member and live at an APO address. How can you fix my Thermomix®?