In a small bowl, infuse saffron pistils with white wine. In a casserole, heat oil at medium heat. Fry leeks with garlic for 4 to 5 minutes, without coloring. Sprinkle flour and stir it up.
Add wine with saffron.
Reduce preparation of an half. Pour cream and bring to a boil without stirring. Simmer at low heat for 5 minutes. Add parsley. Serve soup hot.
Did you know that...
To keep leeks in the freezer for a long time, they must be clean, dry, cut and in an airtight bag or container.