A common form factor here in Brazil is a plastic cup, for instance https://www.itambe.com.br/portal/produto/manteiga-com-sal-pote-200g https://www.itambe.com.br

A common form factor here in Brazil is a plastic cup, for instance https://www.itambe.com.br/portal/produto/manteiga-com-sal-pote-200g https://www.itambe.com.br/portal/produto/manteiga-com-sal-po... (that one is 200g, there's also a 500g cup, and a 200g slab which is easier to use when cooking).