Where can I find Lump sugar in Werthenstein?

Lump sugar can also be found in these cities:

Buchrain Ebikon Egolzwil Emmen Hitzkirch Horw Huttwil Kriens Lucerne Malters Oberkirch Rain Ruswil Sarnen Sempach Stans Sursee Urswil Wolhusen Zell

You can also find this in Werthenstein:

Scotch Whisky Chocolate Wheat Toast Fish Sticks Roll Cheesecake Help Sunflower Seed Bread Power Bar Salads