Ingredients: 

1 1/2 pounds boneless sirloin steak, cut into 1-inch cubes
1/2 cup soy sauce
1/2 cup vegetable oil
1/2 cup rice wine vinegar
2 tablespoons sesame seeds
2 tablespoons granulated sugar
6 garlic cloves, finely minced
1 teaspoon sesame oil*
2/3 teaspoon red pepper flakes
2 ears corn, husked
2 small zucchini
4 large green onions
Wooden skewers, soaked several minutes in water