The RotPot is a complete do-it-yourself kit to make butter.
RotPot Cream Butter is a complete do-it-yourself kit with which you can make the tastiest and tastiest Cream Butter at home by means of fermentation. Firm… what? Ferment! An old preparation technique, in which yeasts and bacteria convert the naturally present sugars into mild acids. With the special weck jar, bacteria culture you can get started to make delicious butter that makes every piece of bread a treat with the taste experience of real homemade butter.