
Leek: Cut off and discard the top of the leek, where it becomes light green.
Peel tomatoes with a serrated peeler, or with a sharp knife make an x on the bottom of each tomato and place in a simmering water for a few minutes and peel. Remove seeds and coarsely chop.
Add the fennel, stock, chopped tomatoes, and salt (omit if using canned or boxed).