Where can I find Three-grain bread in Buochs?

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

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

You can also find this in Buochs:

Butter Bread Cornstarch Spread Sweet Food For A Low Cholesterol Diet Pasta Dishes Fruit Juices Instant Cappucino Breakfast Croissants Canned Food