Betel Leaves with Sticky Prawns and Peanuts

Ingredients

• 1 kilogram (2 pounds) uncooked medium prawns (shrimp)
• 6 centimetre (2½-inch) piece fresh ginger (30g)
• 1 fresh long red chilli
• 2 clove garlic
• 2 fresh coriander (cilantro) roots
• 1 star anise
• 2 tablespoon peanut oil
• 260 gram (8½ ounces) palm sugar
• 1/4 cup (60ml) water
• 1/4 cup (60ml) fish sauce
• 24 betel leaves
• 1/3 cup firmly packed fresh coriander (cilantro) leaves
• 1/4 cup (35g) roasted unsalted peanuts
• 1 tablespoon lime juice