Where can I find Lump sugar in Grabs?

Lump sugar can also be found in these cities:

Altach Appenzell Buchs Feldkirch Göfis Götzis Hohenems Koblach Laterns Mels Mäder Oberriet Schnifis Sulz Walenstadt Weiler Übersaxen

You can also find this in Grabs:

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