Oak-Planked Peppercorn Tuna Steaks with Orange Mayonnaise

Ingredients

• 24 ounce ahi tuna steak ()
• 15  cedar plank 
• 2 teaspoons chives fresh chopped
• 0.3 cup mayonnaise low-fat
• 2 tablespoons orange juice fresh
• 0.3 teaspoon orange zest grated
• 2 tablespoons peppercorns mixed crushed
• 0.5 teaspoon salt 

Equipment

• whisk
• grill

Directions

1. Immerse and soak plank in water for 1 hour; drain.
2. Prepare grill, heating one side to medium and one side to high heat.
3. Combine mayonnaise, rind, juice, and chives; stir well with a whisk. Chill.
4. Lightly coat top of tuna with cooking spray.
5. Sprinkle the tuna with salt; firmly press peppercorns into tuna.
6. Place plank on grill rack over high heat; grill 5 minutes or until lightly charred. Carefully turn plank over; move to medium heat.
7. Place tuna on charred side of plank. Cover and grill 10 minutes or until desired degree of doneness.
8. Serve tuna with orange mayonnaise.