Lemon Grass Prawn Salad by Andrew Lim‎

8 Prawns peeled and devein
1 half stalk of lemon grass; based with the back of a knife and finely chopped
1 tsp of sugar
1 tsp of fish sauce

Marinate the prawns with the lemon grass, sugar and fish sauce for at least an hour.
Pan grill till cooked and set aside to cool.

2 tbsp fish sauce
2 tbsp of sugar
juice of 2 limes
2 chili padi; thickly sliced

Mix all the ingredients of the sauce in a bottle and stir/shake till the sugar dissolves. Taste and adjust accordingly to your liking.

Salad - You may use any vegetables you like
4 lemon grass; use only bottom portion; thinly sliced
2 bunches of coriander; roughly chopped
2 kaffir lime leaves; thinly sliced
2 cloves of garlic; finely chopped
3 shallots; thinly sliced
1 bunch of spring onion; thinly sliced
Handful of mint leaves
Cherry tomatoes

Mix the cooled prawns with the salad and pour over the sauce.
Toss and enjoy.

This is the best and simple video i can find on how to do the banana leaf cups: