Jerusalem Artichoke soup

This is my favourite soup! And I always make a lot of it, normally I have a sandwich with it. But I didn’t have that at home.. Recipe for 3-4 persons INGREDIENTS 8 Jerusalem Artichokes, about 500 grams (1,1 pounds or 17,6 oz) 2-3 shallots 3 dl of vegetable stock (1,3 cup) 2,5 dl of…