Where can I find Toast bun in Gappenach?

Toast bun can also be found in these cities:

Andernach Boppard Cochem Kobern-Gondorf Koblenz Lahnstein Mülheim-Kärlich Münstermaifeld Neuwied Nickenich Plaidt Treis-Karden Waldesch Weißenthurm

You can also find this in Gappenach:

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise