Flank Steak Teriyaki-Barbecued

2 pound flank steak
3/4 cup salad oil
1/2 cup soy sauce
2 tablespoons honey
2 tablespoons vinegar
1 1/2 teaspoon ginger
1 teaspoon garlic powder
1 scallion (top inch), finely chopped

Cut steak into 1/2" strips. Roll and secure each with a toothpick. Combine all other ingredients in a blender. Marinate steak rolls in sauce overnight (about 8 hours). Barbecue over medium hot fire for 10 minutes on each side.