Potage Parmentier
There are few things more versatile or more satisfying than potage parmentier (leek and potato soup) or one of its myriad variations. It’s good freshly-made and better the next day. Hot or cold, it makes a lovely start to dinner; served with some left-over meat, a great lunch. It's a great mid-afternoon pick-me-up, either straight out of the fridge or zapped in the microwave. As delicious as is basic leek-and-potato soup, you can also include other vegetables or herbs, such as broccoli stems, asparagus stalks, a large handful of parsley or cress, etc—the variations are endless.
Ingredients
- 3–4 cups (~1 lb / 450 g) sliced leeks or onions
- 3–4 cups (700–900 g / 2 lb) floury potatoes (e.g. Idaho, Maris Piper), peeled and thickly sliced
- 2 quarts (2 L) water
- 2 tbsp table salt or 1 tbsp sea/rock salt
- White pepper, freshly ground, to taste
- 4–6 tbsp heavy (double) cream
- 1–2 cups (up to 450 g / 1 lb) vegetables (optional), thinly sliced
- 1–2 handfuls flat-leaf parsley or watercress (optional), rough chopped
Ingredients for 8 servings (3.5 kg) · the original recipe
Method
- 1
If using leeks, remove the roots and dark green leaves; wash twice as long as you think necessary to remove the grit.
- 2
Place the vegetables, water and salt in a pot and bring to a boil. Lower the heat and gently simmer (partially covered) for 45–50 minutes. The soup is done when you can easily mash the vegetables against the side of the pot.
Stovetop - 3
Puree the soup using a food mill fitted with the fine disc. Optionally, pulse it in a blender just until smooth and pass through a fine sieve.
Blender - 4
Chill the soup if it is to be served cold, or gently reheat it to a simmer. Refrigerate any left-overs. It will keep for days if refrigerated in a covered container as soon as it cools.
Stovetop - 5
Add 1½–2 tsp cream (or whole milk) per portion just before serving. You’ll need more cream if you’re serving the soup hot or if it’s a bit watery; the idea is to create a smooth, silky puree, but you don’t want the taste or mouth feel of the cream to predominate. Taste and adjust for salt and pepper.
Recipe from Wikibooks Cookbook, written by Wikibooks contributors. Used under the CC BY-SA 4.0 licence; the ingredient list and method on this page are taken from that page and edited (its notes, tips and variations are not reproduced), and are available under the same licence. The macros, equipment tags and scaling are Ma Kitchen’s own and are not the source’s figures. Ma Kitchen is not affiliated with or endorsed by Wikibooks Cookbook. Copied on 2026-11-12.
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