>>17096906/ck/ here, it could be any number of Dairy based stews, with large hunks of peeled potatoes and carrots in it. It looks a bit darker for a "pure" cream stock, I would guess he started with a base blending Potatoes, Leeks and whole milk to create a Potato Leek Soup, thickened it with flour, and added said potatoes and carrots. It would end up hearty and delicious.