Where can I find Yeast fresh in Büetigen?

Yeast fresh can also be found in these cities:

Bern Biberist Biel Bienne Bremgarten bei Bern Brugg Derendingen Gerlafingen Grenchen Gümligen Hinterkappelen Ipsach Ittigen Kerzers Kirchberg Langendorf Lyss Moutier Murten Münchenbuchsee Neuenstadt Nidau Ostermundigen Solothurn Tavannes Tramelan Utzenstorf Worb Zollikofen Zuchwil

You can also find this in Büetigen:

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