I read it as the not valid cookery section, but it seems it's for the infirmed. Service for a Invalid "To make Toast Sandwiches toast a very thi

I read it as the not valid cookery section, but it seems it's for the infirmed. Service for a Invalid "To make Toast Sandwiches toast a very thin slice of bread and put it between two thin slices of bread, spread with butter and a very little marmite" (1938) - https://nla.gov.au/nla.obj-502488403/view?sectionId=nla.obj-530706934&partId=nla.obj-502616436#page/n28/mode/1up https://nla.gov.au/nla.obj-502488403/view?sectionId=nla.obj-... Do you butter both sides?