Where can I find Lump sugar in Mauensee?

Lump sugar can also be found in these cities:

Egolzwil Emmen Fahrwangen Hitzkirch Horw Huttwil Kriens Lucerne Malters Menziken Murgenthal Oberkirch Oftringen Olten Rain Reiden Reinach Rothrist Ruswil Schöftland Sempach Sursee Urswil Wolhusen Zell Zofingen

You can also find this in Mauensee:

Fish Croissants Flour Wheat Breads Diet Products Ready Meals Energy Drinks Espresso Beans Food Flips