Grilled Teriyaki Flank Steak

Bahan-bahan (6 porsi)

• 2 pounds flank steak
• ½ cup vegetable or canola oil
• ½ cup soy sauce
• 2 tablespoons honey
• 2 tablespoons white vinegar
• 1 tablespoons freshly grated ginger
• 1 teaspoon garlic powder
• 1 medium green onion, (finely chopped)