Seared Asian Tuna Steaks

Bahan-bahan (4 porsi)

• ⅓ cup rice vinegar
• ¼ cup toasted sesame oil
• 6 whole green onions, (sliced)
• 1 tablespoon grated fresh ginger
• coarse salt and freshly ground pepper, (to taste)
• 2 tablespoons vegetable or canola oil
• 1½ pounds small eggplant, (halved lengthwise and sliced ½-inch thick)
• coarse salt and freshly ground pepper
• 1 tablespoon vegetable or canola oil
• Four 6-ounce tuna steaks (about 1-inch-thick), (if steaks are large, use two and cut in half)
• coarse salt and freshly ground pepper