Swiss Chard Redux

OK, so every time I make this soup, it turns out differently. But it is delicious each and every time.

Here’s my question for you, fellow soup savants:  Why is it when you  remake a tried and true soup recipe, the end results can turn out so differently?

I know. I know. We soup lovers like to make soup because, well, because it’s a little more free flowing than, say, baking puff pastry.  Add a little here. Adjust. Toss in some more water. A splash of lemon , a pinch more salt …