2 tbsp fresh coriander, roughly chopped
2 tbsp lemon juice
2 large baking potatoes, finely sliced into strips
2 red onions, roughly sliced
125²µ/4½´Ç³ú rocket leaves
6 plum tomatoes, peeled, cut into quarters
salt and freshly ground black pepper
1 tsp coriander seeds, crushed
1 tbsp coriander seeds, crushed
2 tbsp light olive oil
125ml/4½fl oz extra virgin olive oil
1 tbsp black peppercorns, cracked
½ tsp salt
pinch salt
4 x 175g/6oz tuna steaks