De-vein the prawns and clean well.2) Marinate the prawns with turmeric, chilli, cumin, salt, lime juice and ginger-garlic paste.3) Keep it refrigerated for 30 minutes. 4) Cut the onions and capsicum into cubes. Mix with prawns before grilling.

In a skewer arrange the capsicum, onion, prawns and continue in same.

In a iron tawa, heat butter. Arrange the skewers and lightly brush butter on prawns.

Close it with a lid for 1 minute and grill it open.8) Turn all sides in between. 9) When done, place it in a serving plate. Serve hot with mayonnaise.