Szechuan Kung Pao Chicken

Ingredients

• 2 boneless chicken breasts, with or without skin
• 3 cloves of garlic
• equivalent amount of fresh ginger
• 5 scallions, white parts only
• 2 tbsp peanut oil
• A generous handful of dried red chillies (at least 10), preferably Szechuan
• 1 tsp whole Szechuan pepper
• 2/3 cup roasted unsalted peanuts
• 1/2 tsp salt
• 2 tsp light soy sauce
• 1 tsp Shaoxing rice wine or medium-dry sherry
• 1 1/2 tsp potato flour or 2 1/4 tsp cornstarch
• 1 tbsp water
• 3 tsp sugar
• 3/4 tsp potato flour or 1 1/8 tsp cornstarch
• 1 tsp dark soy sauce
• 1 tsp light soy sauce
• 3 tsp Chinkiang or black Chinese vinegar
• 1 tsp sesame oil
• 1 tbsp chicken stock or water