200g beef sirloin, thinly sliced
1 cup bell peppers, sliced (mixed colors)
1/2 cup broccoli florets
1/4 cup soy sauce
1 tablespoon vegetable oil
1 tablespoon ginger, minced
1 clove garlic, minced
1 teaspoon sesame oil
Salt and pepper to taste
Cooked rice or noodles, to serve