Where can I find Mega burger bun in Muschwitz?

Mega burger bun can also be found in these cities:

Beuna Elsteraue Elstertrebnitz Groß Kordshagen Großgörschen Hohenmölsen Kreypau Leipzig Leuna Lucka Merseburg Meuselwitz Prittitz Zeitz

You can also find this in Muschwitz:

Pudding Three-Grain Bread Cereals Sausage Mashed Potatoes Raisin Roll Canned Sausage Oil Smoothies Brandy