Tuna Niçoise Salad

potato 24.4% , tuna 15.9% , tomato 15.9% , mixed salad 7.7% , free range eggs 7.7% , green bean 7.7% , olive 4.0% , rapeseed oil 2.8% , water 2.8% , sunflower oil 2.8% , sherry vinegar 2.8% , lemon juice 2.8% , salt 0.4% , muscovado 0.4% , mustard powder 0.4% , spirit vinegar 0.4% , white wine vinegar 0.4% , sugar 0.4% , black pepper 0.1% , mustard powder 0.1% , E260 0.1% , corn flour 0.1% , mustard husk 0.1% , E150a 0.1% , onion powder 0.1% , allspice 0.1% , turmeric 0.0% , clove 0.0% , ginger powder 0.0% , cinnamon 0.0%