Combine prawns, 1 tablespoon oil, chilli and lime zest, toss to coat. Skewer prawns and set aside.
Heat remaining oil on a BBQ hot plate over high heat. Spoon on Edgell Corn Kernels and cook for 5-6 minutes or until charred, tossing regularly. Remove corn from heat and allow to cool slightly.
Cook prawns on BBQ hot plate for 2-3 minutes on each side or until cooked through.
Toss charred corn with Edgell Black Beans, tomato, onion and lime juice. Serve prawns with salsa, watercress and coriander leaves.