Where can I find Three-grain bread in Beckenried?

Three-grain bread can also be found in these cities:

Altdorf Buchrain Buochs Ebikon Emmen Engelberg Goldau Horw Ibach SZ Ingenbohl Kriens Küssnacht Lucerne Rain Rotkreuz ZG Sarnen Stans Unterägeri

You can also find this in Beckenried:

Cheese Particle Lemon Aroma Jam Ice Cream To Portion Poultry Still Water Coffee Pods Poppy Seed Roll Canned Fruit