It also included accommodation for the Butter Market weighmaster whose job was to check the weights and measures of butter traded to promote honesty and fairness. With this in mind, the €7m investment into the historic Butter Market and Weighmaster’s House could not have come sooner for local activists. The €7m investment into the historic Butter Market and Weighmaster’s House could not have come sooner for local activists. "I have complained to Cork City Council many times but I haven’t got any satisfaction. A butter museum might quite sound quite niche but it has been a really great experience.