Where can I find Acid preserves in Kerzers?

Acid preserves can also be found in these cities:

Avenches Belfaux Belmont-Broye Bern Biel Bienne Bremgarten bei Bern Brugg Courtepin Düdingen Fribourg Granges-Paccot Hinterkappelen Ipsach Köniz Le Landeron Lyss Murten Münchenbuchsee Neuchâtel Neuenstadt Nidau Saint-Imier Schwarzenburg Wünnewil-Flamatt Zollikofen

You can also find this in Kerzers:

Semolina Porridge Cake Vanilla Sugar Jelly Ice Cream Desserts Meat Products Lemonades Instant Coffee Pumpkin Seed Roll Canned Meat