Spinach soup with creamy potato mustard mash

After watching “The Wrestler” I could not bring myself to stop singing “Sweet Child O’ Mine” - and now it is impossible for me to think about the song without thinking about the movie as well.
When I think of vegetables, I’m automatically reminded of Ana Elisa and her amazing salad and soup recipes, among other delicious treats.

I slightly adapted this soup from DH mag #38, but Ana was the