2) Dredge the prawns in flour and shake off excess. Dunk the prawns in the beer mixture and turn to coat. Roll the prawns in coconut until all sides are coated.
3) Heat the olive oil in a large frying pan over medium-high heat. Add the prawns and cook 2 minutes per side, until cooked through or opaque.
4) For the garlic coulis, in a food processor combine 1/2 the roasted garlic cloves, tomatoes, lime juice, and curry powder. Season, to taste, with salt and pepper.
5) Serve the prawns with the coulis on the side.