General Tso's Chicken

INGREDIENTS

1 lb

boneless, skinless chicken breast, cut into bite-size pieces

1/4 cup

reduced sodium soy sauce, divided*

1/4 cup

cornstarch, divided

large egg white

(1-inch) piece peeled fresh ginger

2 cloves

garlic

medium scallions, whites and greens separated

1 cup

reduced sodium chicken broth

1 tsp

sriracha sauce, plus more for serving

3 tbsp

hoisin*

1 tbsp

plus 1 teaspoon toasted sesame oil

sesame seeds, for garnish