2 Green onions, thinly sliced
1 tsp. Sesame seeds
3 tbsp. Cornstarch
3 pounds Boneless beef chuck roast, cut into 1-inch cubes
1/2 tsp. White pepper
1/2 tsp. Onion powder
1 tsp. Sriracha, or more, to taste
1 tbsp. Freshly grated ginger
1 tbsp. Rice wine vinegar
1 tbsp. Sesame oil
4 cloves Garlic, minced
1/3 cup Brown sugar, packed
1/3 cup Reduced sodium soy sauce
1/2 cup Beef broth