We sometimes use one of these with dairy butter though I'm not sure how well it would work with peanut butter. https://en.m.wikipedia.org/wiki/French_butter_di

We sometimes use one of these with dairy butter though I'm not sure how well it would work with peanut butter. https://en.m.wikipedia.org/wiki/French_butter_dish https://en.m.wikipedia.org/wiki/French_butter_dish