Place the corn on the cob on the grill and brown on all sides for approx. 10 minutes, turning every now and then.
Press the garlic cloves through. Wash limes with hot water. Rub off about 1 tablespoon of peel and squeeze out the juice. Wash the coriander, shake dry and chop finely.
Mix well the sour cream and mayonnaise for the cream. Stir in garlic, 1 tbsp lime juice and lime zest, season with MAGGI Hot and season to taste.
Brush the corn on the cob with the cream. Serve sprinkled with chilli powder, coriander and parmesan.