Grilled prawns with creamed avocado sauce

Ingredients

1lb raw king prawns
Juice of 2 limes
Olive oil
3 cloves of garlic, minced
2 tsp chili flakes
½ tsp cumin
¼ tsp paprika
Salt
Black pepper
1 Avocado
Small carton of plain yoghurt
Bunch of fresh coriander

Directions

Place the prawns in a re-sealable bag
Add the juice of 1 lime, half the minced garlic, 1 tsp chili flakes, cumin, paprika, salt and pepper.
Marinate in the fridge for at least 1 hour
Put the prawns onto skewers. 
Grill on both sides for about 2-3 minutes until the prawns are charred and cooked

Sauce: 
Place the avocado flesh in a food processor with the yoghurt, coriander, juice of 1 lime, the rest of the minced garlic, salt and pepper and pulse until smooth. 
Serve the prawns with a green salad with the sauce on the side.