Best Cashew Chicken - How to Make Cashew Chicken

Ingredients

• 2 tbsp. cornstarch
• 1 tbsp. Chinese Shaoxing wine
• 2 tbsp. Chinese soy sauce, divided
• 1 lb. boneless, skinless chicken breasts, cut into 1" pieces
• 1/2 c. vegetable oil
• 1 tsp. toasted sesame oil
• 1 tbsp. finely chopped garlic
• 2 tsp. finely chopped peeled ginger
• 1/4 c. (or more) cold water
• 3 tbsp. hoisin sauce
• 1 tbsp. Chinese black vinegar
• 2 scallions, sliced 1/2" thick, plus more for serving
• 3/4 c. unsalted roasted cashews
• Steamed white rice, for serving