Where can I find Toast bun in Elkenroth?

Toast bun can also be found in these cities:

Betzdorf Breitscheidt Burbach Daaden Dortmund Döttesfeld Gebhardshain Hachenburg Höhn Kirchen (Sieg) Netphen Röthenbach Siegen Waldbröl Weitefeld Wissen

You can also find this in Elkenroth:

Desserts Dessert Baking Mixes Cake Glaze Peanut Butter Ice Cream Rice Dishes Vegetable Juices Instant Iced Coffee Cheese Roll Canned Fish