Green Curry Paste

• 12 green chillies (fresh)
• 1 onion
• 1 lemon
• 1/2 purple shallots
• 1/4 lemon grass (finely sliced)
• 30 ml vegetable oil
• 14 gr coriander (chopped fresh)
• 8 gr garlic (chopped)
• 8 gr galangal (chopped)
• 4 gr coriander (ground)