Rinse the sardines and remove the scales, then sprinkle liberally with the sea salt and leave for at least 1 hour.
Preheat your grill, broiler or barbecue so that it's nice and hot.
Rinse the sardines under some water and then dry them with paper towels.
Brush the sardines with a little olive oil and then grill for several minutes each side until they are cooked.
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