Silken Tofu in Soup?

So I bought some silken tofu on Sunday whilst out shopping because I have used it in the past to make things like Alfredo and/or other creamy things.

I'm trying to find a soup recipe using potato, lentil (I have all kinds of lentils) and silken tofu. I am trying to break the habit of always making curry flavor dishes so I am looking for something with a creamy tomato-ish flavour, or something milky using basil, parsley ect.

Please let me know if you have any good recipes that fit this description, or know of any recipes that could be modified to use tofu as a substitute for cream or yogurt.