Sesame-Crusted Tuna with Summer Salsa

INGREDIENTS

• 1 avocado, diced
• 1 mango - peeled, seeded and diced
• 1 tablespoon lime juice
• 1/4 teaspoon ground ginger
• 1/4 teaspoon wasabi powder
• salt and freshly ground black pepper to taste
• 1/4 cup toasted sesame seeds
• 2 teaspoons canola oil
• 2 (4 ounce) (1- to 1 1/2-inch-thick) tuna steaks