1Dice the vegetables finely. Deseed and dice the cucumber, finely dice the red onion, chop the olives roughly, finely chop the dill, quarter the cherry tomatoes and dice the red pepper.
2In a bowl, drain and add the tinned tuna.
3Add yoghurt, mustard, and lemon juice.
4Add the cherry tomatoes, onion, cucumber, crumbled feta, red pepper, olives, and dill.
5Season with lots of black pepper, salt to taste and honey.