Where can I find Butter in Mäder?

Butter can also be found in these cities:

Altstätten Appenzell Arbon Au Diepoldsau Goldach Heiden Oberriet Rheineck Rorschach Sankt Margrethen St. Gallen Teufen Thal Widnau Wittenbach

You can also find this in Mäder:

Yogurt Pizza Flavors Honey Popsicle Meat Mineral Water Coffee Drinks Pretzel Cookies Canned Vegetables