Choosing and Cleaning Leeks
Leeks carry a subtle, nuanced earthiness that onions lack, but their structure acts like a trap for garden soil and sand. Mastering the prep is the difference between a clean base for your soup and a gritty bowl.
The weight tells the story.
Look for leeks that feel heavy for their size, signaling high moisture and freshness. Avoid any specimens with a dry, hollow-feeling stem.
- Chef's knife
- Cutting board
- Colander
Flushing the layers
Because leeks grow in hilled soil, dirt works its way deep into the cylinder. You must separate the layers manually under water rather than just rinsing the exterior.
The method.
Trim the roots and leaves
Cut off the root end, keeping just enough of the basal plate intact to hold the layers together while you chop. Trim the dark green tops, leaving only the white and light green sections.
Slice the length
Stand the leek upright and slice down the center through the core. If the leek is thick, quarter it.
Rinse under pressure
Hold the cut leek under a steady stream of cold water. Fan the leaves outward with your fingers to ensure the water reaches the base, where grit collects.
Dry and chop
Pat the cleaned leek dry with a towel before slicing into rounds or strips to prevent unwanted steaming in the pan.
When it doesn't go to plan.
Store unwashed leeks in the crisper drawer wrapped in plastic to maintain humidity.
The dark green tops are fibrous but hold deep flavor; save them in your freezer bag for future stocks.
If you are chopping many leeks for a large batch, submerge the sliced pieces in a large bowl of water and agitate; the dirt will sink to the bottom.
The ones that keep coming up.
How do I know if a leek is too old?
Press the white part; if it feels soft or spongy rather than firm, the quality has deteriorated.
Is the green part edible?
Yes, but it is tougher and more pungent than the white base. Use the dark green parts for long-simmered dishes or stocks.
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