Braised potato chicken

Ingredients

• 1/2 a free-range chicken, about 420 gm - skin removed and chopped to bite size
• 400 g potatoes, peeled and cut into quarters
• 5 pips garlic
• 3 shallots
• 2 teaspoon preserved bean paste (Tau Cheong)
• 3/4 teaspoon sugar
• 1 teaspoon oyster sauce
• 1/2 teaspoon dark soya sauce
• 1/2 teaspoon salt or to taste
• 1.1/2 cups water
• 1 teaspoon cornflour + 1 tablespoon water to thicken
• Oil for frying