Restaurant des Trois-Tonneaux is a historic neighborhood bistro in Porrentruy, located near the botanical garden. Established in 1937, this family business is currently run by Rita Zbinden-Vuille, the granddaughter of the founders. The establishment is renowned for its convivial 'bon enfant' atmosphere and traditional cuisine. The absolute specialty of the house is the famous 'Gâteau au fromage' (cheese cake), prepared according to a family recipe and served at specific times (Monday lunch, Friday lunch and dinner, and Saturday lunch).