Salade piémontaise au thon

potato 30.0% , water 20.5% , tuna 20.0% , tomato 8.8% , colza oil 5.8%? , vinegar gherkin 4.0% , dijon mustard 4.5% , à l'ancienne 4.5%? , garden peas 3.2% , alcohol vinegar 0.9% , salt 0.9% , tapioca 0.9%? , egg yolk powder 0.9% , sugar 0.0% , xanthan gum and guar gum 0.0% , pepper 0.0% , turmeric 0.0%

? — listed for this product but not on the label in this language; recipes can differ by market.