Where can I find Poppy seed roll in Datteln?

Poppy seed roll can also be found in these cities:

Bergkamen Bochum Castrop-Rauxel Dortmund Gelsenkirchen Haltern am See Herne Herten Kamen Nordkirchen Oer-Erkenschwick Recklinghausen Selm Waltrop

You can also find this in Datteln:

Baguette Yeast Dry Rye Breads Granola Bar Pies Cola Legumes Ketchup Chips Remoulade