Cook the potatoes, tomatoes and kale as described above. Replace the smoked cheese, smoked garlic and hard-boiled eggs with 635 g/1 lb 6½ oz canned salmon, drained, skin and bones removed and fish flaked. Stir the salmon into the grated potato with 4 tbsp capers and 1 large handful chopped flat-leaf parsley leaves, as instructed above. Form and cook the potato cakes as described above.