Preparation

Fermented greens show up in cuisines from Nepali gundruk to Southern-style pot greens—this recipe draws from multiple traditions to create something entirely its own. The fermentation softens the aggressive bite of raw mustard greens while adding complex sourness that plays beautifully against creamy coconut milk.

The fermentation step takes 5-7 days but requires almost no effort. Once fermented, the greens keep for months in your fridge, waiting to be transformed into this deeply satisfying curry whenever the craving strikes.

Ferment the Mustard Greens

1. Wash the mustard greens thoroughly and chop them roughly. You should have about 8 cups of loosely packed greens.
2. Place greens in a large bowl and sprinkle with the sea salt. Massage vigorously for 5 minutes until the greens begin to release liquid and wilt significantly.
3. Pack the greens tightly into a clean quart jar, pressing down firmly so they're submerged in their own liquid. If needed, add a small amount of filtered water to cover.
4. Weigh the greens down with a fermentation weight or a small ziplock bag filled with brine.
5. Cover loosely and ferment at room temperature for 5-7 days, checking daily. Press the greens down if they float up.
6. The greens are ready when they smell pleasantly sour and tangy, not putrid. They'll turn from bright green to olive-drab. Drain, roughly chop, and proceed with the curry. (Store extra fermented greens refrigerated for up to 3 months.)

Make the Curry

1. Heat oil in a large pan or wok over medium heat. Add mustard seeds, cumin seeds, and dried chili. Fry until the seeds pop and become fragrant, about 30 seconds.
2. Add the sliced onion and cook until softened and beginning to brown, about 8 minutes.
3. Stir in the garlic and ginger, cooking for another minute until aromatic.
4. Add the turmeric and stir to coat the onions.
5. Add about 2 cups of the fermented mustard greens (or more if you love funk). Stir to combine with the aromatics.
6. Pour in the coconut milk, tamarind paste, and brown sugar. Stir well and bring to a gentle simmer.
7. Cook uncovered for 15-20 minutes, allowing the flavors to meld and the sauce to thicken slightly.
8. Taste and adjust seasoning with salt if needed—the fermented greens already add saltiness and sourness, so tread carefully.
9. Serve hot over rice, with the curry sauce spooned generously over the top.

The result is a curry that defies expectations—funky without being overwhelming, creamy but cut with bright acidity, and deeply satisfying in a way that feels both primally simple and remarkably complex.