Instant Pot Soy Sauce Chicken 豉油雞

2.8 - 3.6 pounds (1270g - 1633g) whole chicken

5 cups (1250ml) cold water

1 cup (250ml) Shaoxing wine

1 cup (250ml) light soy sauce (not low sodium soy sauce)

1 cup (250ml) dark soy sauce

6 - 8 (5.5g - 7.5g) star anise

6 (6g) black cardamom pod, crushed

2 (15g) Chinese cinnamon sticks, crushed

4 (13g) garlic cloves, crushed

1 tablespoon (15g) ginger, sliced

1 stick (80g) brown sugar in piece (or substitute with 2 tablespoons (30g) brown sugar)

1 - 2 teaspoons (2.5-5g) Sichuan peppercorn ((Optional))