If the leaves are not in good shape, swap in mustard greens or spinach.

WSJ: Jenn Louis's Rock-Salt-Roasted Salmon and Turnips | Slow Food Fast

Not every fish could stand up to the mustard greens' kick, but cod more than holds its own.

WSJ: Eric Ripert's Saut��ed Cod With Mustard Greens | Slow Food Fast

Raw mustard greens have a peppery quality that mellows in a hot pan.

WSJ: Eric Ripert's Saut��ed Cod With Mustard Greens | Slow Food Fast

Among the 25 or so items that go into Ruq's dish are local chillies, garlic, mustard greens, bean sprouts and limes.

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The final of four Slow Food Fast contributions from Eric Ripert, this dish, like last week's Japanese-inflected cod with mustard greens, exhibits the chef's signature sense of balance and harmony.

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