If you can’t find ’nduja, or are vegetarian ... in the butter until they give up some of their gloop; should you be vegan, use 60ml­ of olive oil in place of the butter.
You can quickly become hooked on Nduja. Though the name might be somewhat difficult to pronounce (for the record, the correct ...
If looking to keep things entirely vegan, obviously omit the optional 'nduja, as well as the cream - and be sure to use vegetable stock. I'd also personally omit the sugar, but that's up to you!