ahi tuna recipe

2 ahi tuna steaks (about 6 ounces each) 2 tablespoons soy sauce 1 tablespoon sesame oil 1 tablespoon olive oil 1 teaspoon freshly grated ginger 1 clove garlic, minced 1 tablespoon sesame seeds (optional) Salt and pepper to taste Sliced green onions and lime wedges for garnish (optional)