Prawn and noodle salad

Ingredients

• 1 small red onion, finely chopped
• 2 teaspoons finely chopped lemon grass
• 2 cloves garlic, crushed
• juice 3 limes
• 2 teaspoons sesame oil
• 1 red chilli, finely chopped
• 300 grams green prawns, peeled, deveined
• 200 grams bean vermicelli noodles
• 200 grams green beans, trimmed
• 1 tablespoon coconut oil
• 1 red capsicum, seeded, finely sliced
• 1/2 bunch coriander, leaves picked
• 1 cup torn mint
• 1 1/2 tablespoon fish sauce
• 2/3 cup roughly chopped roasted peanuts