Sup ayam ala mamak (chicken soup malaysian indian muslim style)

Ingredients

• 1 chicken (clean and cut into small pieces)
• 1 big onion (slice thinly half of the onion,pounded the other half)
• 4 cloves garlic (grated/pounded)
• 1 in. ginger (grated/pounded)
• spices
• 1 teaspoon cumin (grind)
• 1 teaspoon fennel (grind)
• 1 tablespoon coriander (grind)
• 1 teaspoon cloves
• 1 teaspoon cardamom
• 1 star anise
• 1 piece cinnamon
• 1 tablespoon white pepper (grind)
• 2 jugs of water (according to amount of soup you want)
• 1 carrot (cut into small pieces)
• 5 pieces potato (cut into 4)
• 2 pieces tomato (wedges)
• 2 pieces fresh green chillies (cut into half lengthwise)
• 1 tablespoon corn flour (add with some water)
• 1 stalk of Chinese celery,spring onion,coriander leaves.
• 2 tablespoons oil
• salt to taste