Tuna sandwiches will be tastier if you add 1 ingredient to the filling - not yoghurt

Tuna sandwiches will be tastier if you add 1 ingredient to the filling - not yoghurtSimply add one fridge ingredient for a tastier tuna sandwichView 2 Images Tuna sandwiches will be creamier if you add one ingredient to the filling - not yoghurt (Image: Waqar Hussain via Getty Images)Tuna sandwiches remain a perennial favourite, cherished for their straightforward ingredients and deeply satisfying taste. ‌According to Princes, incorporating one additional ingredient into a tuna mayonnaise sandwich transforms the result entirely. Next, combine all your prepared ingredients in a bowl along with the mayonnaise, crème fraîche, lemon zest and one tin of tuna. Its delicate, creamy consistency and gentle tang counterbalance the richness of the mayonnaise, resulting in a lighter and more invigorating tuna filling. Article continues belowGreek yoghurt can also be used in place of mayonnaise to produce a lighter, more refreshing tuna filling.