2 tablespoons finely chopped mint
1 large red onion, halved and thinly sliced lengthwise
Kosher salt and freshly ground black pepper, to taste
2 cups lightly packed flat-leaf parsley leaves
¼ cup salt-packed capers, rinsed and drained
¼ cup extra-virgin olive oil
2 tablespoons fresh lemon juice
1 tablespoons lemon zest
Grilled country white bread, to serve
Serves 4