This can be made with fresh or frozen zucchini / summer squash. No need to thaw of drain when adding to soup.
To freeze zucchini / summer squash just chop or shred, put in bags or containers and freeze.
Substitute a medium onion for the leek.
Keywords: soup, first course soup, light soup. zucchini, summer squash
Find it online: https://thymeforcookingblog.com/2022/09/zucchini-soup/