Friday, September 30, 2011

Yogurt: Much More Than a ‘Health Food’


I prefer to think of yogurt as merely a wonderful food that has many healthful benefits. Recent studies have shown that the probiotic bacteria in yogurt have a salutary effect not only on the intestinal tract, but also on brain function. A study at University College Cork, in Ireland, indicated that the presence of probiotic bacteria in the gut can result in lower stress in the brain. Perhaps that’s one reason for the longevity observed in many yogurt-eating populations.

There’s no question that yogurt is good for you. But the marketing hype that has built its reputation as a “health food” does injustice to several facts. One is that many other foods that are every bit as beneficial, like greens, don’t enjoy the same degree of public acclaim. Another is that yogurt has been sustaining people all around the world since long before the dawn of advertising.

In countries where yogurt is part of the culinary landscape, it’s used in many savory dishes. I love the way it contrasts with spicy foods in India and is served, spiked with pungent garlic, as a cool topping with many hot dishes in Turkey and the Middle East.

To thicken yogurt, simply put it into a cheesecloth-lined strainer set over a bowl and refrigerate for several hours. Or buy already thick Greek yogurt or lebna in Middle Eastern markets. But whatever you do, buy organic yogurt that has only two ingredients on the label: milk and live active cultures. I used plain low-fat (not nonfat) yogurt in this week’s recipes; full-fat yogurt will work too, but nonfat is too watery and often quite sour.

Grilled Albacore With Yogurt-Dill Sauce on a Bed of Arugula

This is based on a recipe for red mullet from “Classic Turkish Cooking” by Ghillie Basan. Red mullet isn’t so easy to come by in the United States, and albacore works well here. In the authentic Turkish dish, the red mullet is marinated in a mixture of onion juice and lemon juice with bay leaf. This step is optional; it tenderizes the fish and adds terrific flavor, but grilled albacore is nice enough on its own. Dill is the traditional herb for this recipe, but mint is very nice as well.

Optional marinade:

2 large onions

Salt to taste

2 tablespoons fresh lemon juice

2 tablespoons extra virgin olive oil

4 bay leaves, broken up

For the fish:

4 albacore steaks, about 6 ounces each

Salt and freshly ground pepper

2 tablespoons extra virgin olive oil (omit if the fish has been marinated)

For serving:

2 garlic cloves, halved, green shoots removed

Generous pinch of salt

1/2 cup thick Greek-style or drained yogurt

2 tablespoons fresh lemon juice

2 to 4 tablespoons finely chopped dill or mint

Salt and freshly ground pepper

1 bag baby arugula, preferably the wild variety

1. If marinating the fish: Quarter the onions and place in a food processor fitted with the steel blade. Add a generous pinch of salt and pulse the onions until puréed and watery. Line a strainer with a double thickness of cheesecloth and dump in the puréed onions. Take up the edges of the cheesecloth and squeeze out the onion juice (you can also use a cloth kitchen towel for this). Discard the pulp. Add to the onion juice the lemon juice, olive oil and bay leaves. Place the fish steaks in the marinade, turn over a few times, cover the bowl and refrigerate for 1 to 2 hours, basting or turning the fish from time to time.

2. Heat a hot charcoal or gas grill, or a grill pan or cast-iron skillet over medium-high heat. If you have not marinated the fish, simply salt and pepper and brush with olive oil. Combine the yogurt, garlic and lemon juice in a bowl. Season to taste with salt and pepper and stir in the dill or mint. Set aside.

3. Arrange the arugula on a large serving platter.

4. Grill the fish on each side for 2 to 4 minutes, depending on how rare you like it. Brush the unturned side with marinade (or just olive oil) before turning it over. Transfer the fish to the platter, placing the steaks on top of the arugula. Spoon the yogurt sauce over the fish and arugula, and serve.

Yield: Serves 4

Advance preparation: You can make both the marinade and the yogurt sauce several hours ahead of time. They become more pungent as they sit.

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