Oak-Planked Peppercorn Tuna Steaks With Orange Mayonnaise

One 15-by-6 1/2-by-3/8-inch oak grilling plank
1/4 cup low-fat mayonnaise
1/4 teaspoon grated orange rind
2 tablespoons fresh orange juice
2 teaspoons chopped fresh chives
Four 6-ounce bluefin tuna steaks (about 1 inch thick)
Cooking spray
1/2 teaspoon salt
2 tablespoons mixed peppercorns, crushed


Immerse and soak plank in water for 1 hour; drain.

Prepare grill, heating one side to medium and one side to high heat.

Combine mayonnaise, rind, juice and chives; stir well with a whisk. Chill.

Lightly coat top of tuna with cooking spray. Sprinkle the tuna with salt; firmly press peppercorns into tuna.

Place plank on grill rack over high heat; grill 5 minutes or until lightly charred. Carefully turn plank over; move to moderate heat. Place tuna on charred side of plank. Cover and grill 10 minutes or until desired degree of doneness. Serve tuna with orange mayonnaise.

Makes 4 servings (each 1 steak and 1 1/2 tablespoons orange mayonnaise).

Nutrition information per serving: 245 cal., 6.7 g fat (1.2 g saturated fat), 40.1 g pro., 3.4 g carbo., 0.7 g fiber, 82 mg chol., 528 mg sodium.