Where can I find Canned tomatoes in Oberarth?

Canned tomatoes can also be found in these cities:

Altdorf Baar Buchrain Buochs Cham Ebikon Einsiedeln Emmen Goldau Horw Ibach SZ Ingenbohl Kriens Küssnacht Lucerne Richterswil Rotkreuz ZG Stans Steinhausen Unterägeri Urswil Wädenswil Zug

You can also find this in Oberarth:

Mashed Potatoes Raisin Roll Canned Sausage Oil Smoothies Brandy Fruit Jelly Frozen Herbs Bacon And Ham Pudding