Sea bream with grapes, cucumber & yogurt

Amorgos, Greece. Our mission was to go to every beach on the island. We drove down to a secluded cove. There was a small boat on the sand, some cars, a little hut of a restaurant. . . of course we walked in. Not quite a restaurant; more someone’s home with a lot of tables in the living room. A gnarly old man came up to us and said, ‘Fish’ – possibly the only English word he knew. We asked, ‘Fish?’, he answered ‘Fish!’ and beckoned us to follow him into the kitchen. He opened a fridge and pu