Wash lemon hot. Finely grate the zest, squeeze the juice. Wash tuna steaks, pat dry. Sprinkle with lemon juice and leave to stand briefly
Wash the parsley and chop the leaves. Peel and finely chop the garlic. Mix both with lemon peel and coarse salt
Dab tuna steaks dry. Fry in 2 tablespoons of hot oil at medium heat for approx. 4 minutes on each side
Mix vinegar, salt and pepper. Whip 2-3 tablespoons of oil into it. Clean, wash and cut the salad into bite-sized pieces. Wash and slice the tomatoes. Peel onion and cut into thin rings
Arrange the prepared salad ingredients on a plate, drizzle the marinade over them. Season tuna steaks and arrange on top. Sprinkle with the lemon mixture. Garnish with lemon if desired. Served with: bread (e.g. ciabatta)