Where can I find Buttered toast in Greppen?

Buttered toast can also be found in these cities:

Altdorf Baar Buchrain Buochs Cham Ebikon Emmen Goldau Hitzkirch Horw Ibach SZ Ingenbohl Kriens Küssnacht Lucerne Malters Rain Rotkreuz ZG Sarnen Sempach Stans Steinhausen Unterägeri Urswil Wädenswil Zug

You can also find this in Greppen:

Gin Cookies Sausages Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh