Instructions: Drop leek and parsley into a large saucepan of boiling water, and cook for 1 minute. Drain and rinse under cold water; drain well. Combine leek mixture, potato, tarragon, and chives in a bowl, and stir well. Sprinkle salt and pepper over both sides of fillets, and pat the potato mixture onto one side of each fillet. Sprinkle cornstarch evenly over potato mixture.

Heat 1-1/2 tablespoons oil in a large nonstick skillet over medium-high heat. Place 3 fillets, potato sides down, in skillet; cook 4 minutes (do not turn). Remove fillets from skillet, and place fillets, potato sides up, on a broiler pan coated with cooking spray. Repeat procedure with remaining oil and fish fillets.

Bake at 450 degrees for 7 minutes or until fish flakes easily when tested with a fork.

Yield: 6 servings (serving size: 1 fish fillet and 1/2 cup succotash).

INSTRUCTIONS FOR Lima-and-White Bean Succotash: Trim tough outer leaves from fennel; mince feathery fronds to equal 2 tablespoons, and set aside.

Remove and discard stalks. Cut the fennel bulb in half lengthwise; discard core. Finely chop bulb to equal 1 cup. Reserve remaining fennel for another use.

Heat oil in a medium saucepan over medium-high heat. Add 1 cup chopped fennel bulb and 1/2 cup green onions; saute 4 minutes or until tender. Add minced fennel fronds, lima beans, and remaining ingredients; stir well.

Cover, reduce heat, and simmer 5 minutes or until thoroughly heated.

Yield:6 servings (serving size: 1/2 cup).

Serving Ideas : Serve with Lima-and-White Bean Succotash.

NOTES : From Chef Erik Maillard of Marks, The Mark Hotel. Located in the luxury Mark Hotel off Madison Avenue, Marks is one of New Yorks most elegant dining rooms. Considered a true culinary artist, Erik Maillard combines classical French training with American-style ingenuity. A native of the Boulogne-sur-Mer region of France, he was the executive sous-chef at Celebrites.

Chefs note: "This fish preparation is delicious with red snapper, orange roughy, or salmon. The secret is not to overcook the fish.

You can shoestring the potatoes on a mandoline [a hand-operated slicer]

or cut them carefully by hand. For extra color and flavor, add black beans or corn to the succotash."

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