Chef Juliette
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Stachys (Crosnes du Japon)
Created by Chef Juliette
Based on No. 2126, Stachys (Crosnes du Japon), from Le Guide Culinaire (1907) by Auguste Escoffier
Stachys, ou crosnes, teach the discipline of gentle cooking: scrubbed clean, parboiled only to firmness, then rolled in real butter until glossy, hot, and pale.
Side Dishes
French
Weeknight
Quick Meal
Dinner Party
15 min
Active Time
15 min cook•30 min total
Yield4 servings
Stachys, ou Crosnes du Japon au beurre (Chinese artichokes in butter), teach a quiet discipline: cook a pale vegetable without asking it to brown. Their charm is a clean, juicy crunch somewhere between a water chestnut and a young potato, carried by butter rather than buried under it. Before you touch the pan, know the one true thing: the parboil decides the dish. The crosnes must enter the butter nearly tender but still firm.
The source entry gave the professional kitchen a rule rather than a full garnish formula: clean, parboil, keep firm, and cook in butter without colouration. A brigade could hand the knobbly cleaning to a commis and finish many small pans to order. At home, a coarse-salt rub inside a towel replaces tedious individual scraping, one saucepan handles the parboil, and a 25 cm skillet finishes four servings. The extra hands were scaffolding and can go; the sequence is the dish and must stay. It needs neither a saucier, a standing stockpot, nor a salamander. One cook, one stove, one evening.
Pull the crosnes from the water while their centres still resist the point of a knife, then dry them completely before they meet the butter. That firmness is what separates a lively little vegetable from a pan of soft, pale commas.
Crosnes take their French name from Crosne, a village southeast of Paris where market gardeners established the tuber for French tables. Despite the name crosnes du Japon, Stachys affinis is native to China and reached France through Japan; it is not an artichoke, but a knobbly tuber from the mint family. Parisian cooks carried it from the market garden into the classical garnish repertoire, preserving the rule that still defines it: clean thoroughly, parboil firm, and finish in butter without colour.
The technique, the tradition, and the story behind every dish.
Discover Culinary ExplorerIngredients
fresh crosnes (Stachys affinis)
Quantity
4 cups (950 ml / 600 g)
coarse salt
Quantity
3 tablespoons (45 ml / 55 g)
for cleaning
cold water
Quantity
8 cups (1.9 liters / 1.9 kg)
for parboiling
fine sea salt
Quantity
1 tablespoon (15 ml / 18 g)
for the parboiling water
fine sea salt
Quantity
1/4 teaspoon (1.25 ml / 1.5 g)
for finishing
unsalted butter
Quantity
3 tablespoons (45 ml / 42 g)
unsalted butter (optional)
Quantity
1 tablespoon (15 ml / 14 g)
reserved only if the cooking butter browns
| Ingredient | Quantity |
|---|---|
| fresh crosnes (Stachys affinis) | 4 cups (950 ml / 600 g) |
| coarse saltfor cleaning | 3 tablespoons (45 ml / 55 g) |
| cold waterfor parboiling | 8 cups (1.9 liters / 1.9 kg) |
| fine sea saltfor the parboiling water | 1 tablespoon (15 ml / 18 g) |
| fine sea saltfor finishing | 1/4 teaspoon (1.25 ml / 1.5 g) |
| unsalted butter | 3 tablespoons (45 ml / 42 g) |
| unsalted butter (optional)reserved only if the cooking butter browns | 1 tablespoon (15 ml / 14 g) |
Equipment Needed
- •Clean cotton kitchen towel
- •Small vegetable brush
- •Medium saucepan
- •25 cm skillet
- •Slotted spoon
Instructions
- 1
Clean the crosnes
Pick through the crosnes and discard any that are soft, shrivelled, or darkened through. Put the sound ones on a clean, damp kitchen towel, scatter over the coarse salt, fold the towel around them, and rub firmly for 2 to 3 minutes. The salt scours soil and loose skin from the little rings without cutting away the flesh. Rinse in several changes of cold water, then trim only dried tips or stubborn dark marks with a paring knife. Do not peel them.
If soil remains deep in a groove, use a small vegetable brush under running water. A knife removes too much from these tiny tubers. - 2
Parboil until firm
Bring the measured water and the tablespoon of fine salt to a full boil. Add the crosnes, let the water return to a gentle boil, and cook for 4 to 6 minutes, testing the smallest after 4. A knife point should enter the outer flesh easily but meet a clear resistance at the centre. Drain immediately and rinse briefly under cold water to stop the cooking. If one test piece has already softened too far, spread the rest in a single layer and cool them at once; shorten the butter finish to 2 minutes and toss them very gently.
- 3
Drain and dry
Spread the crosnes over a dry towel and pat them carefully, working between the ridges where water hides. Leave them uncovered for 5 minutes while the skillet warms. A wet crosne dilutes the butter and makes the pan spit; a dry one takes on an even, clear sheen.
- 4
Cook without colour
Melt the 3 tablespoons of butter in a 25 cm skillet over medium-low heat. Add the crosnes while the butter is still pale and foaming, then cook for 4 to 5 minutes, rolling and tossing them frequently until hot through, tender at the edges, and glossy all over. Keep the heat gentle. Neither the butter nor the crosnes should develop brown freckles. If the butter begins to brown, lift the crosnes out immediately with a slotted spoon, discard the darkened butter, wipe the skillet, and restart over low heat with the reserved tablespoon. Ça se rattrape.
- 5
Season and serve
Sprinkle over the finishing salt and toss for another 20 seconds, just long enough to distribute it. Taste one: it should be tender around the ridges, firm at the centre, and unmistakably buttery without tasting fried. Tip the crosnes, along with every drop of pale butter, into a warm serving dish and bring them straight to the table. À table!
Chef Tips
- •Look for firm, ivory crosnes with tight, clearly defined rings. Softness, deep browning, and shrivelled tips mean they have been sitting too long. They may also be sold as Chinese artichokes.
- •Crosnes are not Jerusalem artichokes, and one cannot honestly replace the other here. The ridged shape and juicy crunch are the entire character of this preparation; if crosnes aren't available, wait for the market rather than changing the dish.
- •The coarse-salt rub cleans without peeling. Peeling each tiny tuber wastes flesh, time, and patience, three things no weeknight side dish has any right to demand.
- •Serve them beside roast chicken, veal, or a plainly cooked white fish. Their mild nuttiness also suits a dry, mineral white wine, but keep the plate simple enough for their texture to be noticed.
- •Use real butter and keep it pale. Browned butter is splendid where it belongs, but not here; the source is exact about cooking without colouration, and that restraint keeps the crosnes delicate.
Advance Preparation
- •The crosnes can be cleaned and parboiled up to 8 hours ahead. Cool them quickly, dry them thoroughly, and refrigerate in a covered container lined with a towel.
- •Finish them in butter immediately before serving. If leftovers remain, refrigerate for up to 2 days and warm them once over low heat with a small piece of fresh butter; repeated reheating costs them their firm centre.
Frequently Asked Questions
Nutrition Information
1 serving (about 150g)
Calories
190 calories
Total Fat
9 g
Saturated Fat
5 g
Trans Fat
0 g
Unsaturated Fat
3 g
Cholesterol
23 mg
Sodium
360 mg
Total Carbohydrates
26 g
Dietary Fiber
6 g
Sugars
3 g
Protein
5 g
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