12 ounces ham, cut into bite-size strips
1/3 cup orange juice
2 tablespoons soy sauce, reduced-sodium
1 tablespoon cornstarch
1/2 teaspoon ground ginger
1/2 teaspoon garlic powder
1 tablespoon cooking oil
3 cups broccoli florets
1/2 16-oz package pepper stir-fy vegetables, frozen
2 teaspoons sesame seeds, toasted