This is similar to an Italian vegetable soup, only better (and easier) with added nutrients from the kale and a quick-cooking, delicious Italian grain called farro.
When asparagus is cooked awhile, as in a soup, it can turn a duller color of green. The remedy used here to create a vibrant green soup is to add a bit of fresh spinach when blending. You can also garnish the soup with a bit of finely chopped dill.