Thai Lettuce Wraps (Larb Gai, Laab Gai)

Bahan-bahan (2 porsi)

• 2 tsp cornflour / cornstarch (OR 2 tbsp uncooked rice (any rice is fine) (Note 1))
• 3 tbsp water
• 2 1/2 tbsp lime juice ((1 to 2 limes))
• 2 tbsp fish sauce
• 2 tsp brown sugar
• 2 tbsp peanut oil ((or other high smoke point cooking oil))
• 1 tbsp fresh ginger (, grated or very finely chopped)
• 2 g arlic cloves (, large, minced)
• 1 lemon grass stalk (, white and very pale green part only, finely chopped (Note 2))
• 2 Thai or birds eye chilli (, deseeded and finely chopped (adjust to taste))
• 1 lb / 500g chicken mince ((ground chicken) OR pork)
• 1/2 red onion (, cut into 4 wedges then finely sliced)
• 1/3 cup coriander/cilantro leaves (, plus extra to garnish)
• 1/3 cup mint leaves (, plus extra to garnish)
• 3 tbsp crushed peanuts ((optional))
• 6 - 8 small to medium lettuce leaves ((I used baby cos / romaine) (Note 3))
• Extra lime wedges, chilli