Who, me?

Preparing the grapefruit peel and pulp Boiling the mix The marmalade, in jars
The label reads, "Grapefruit Marmalade, from a recipe given me by Molly Harris. Made 13-14 December 2017 from five grapefruits, one lime, two cups water, and sugar equal in volume (8 c.) to that of the fruit preparation. T. A. Dickinson"
    From our medlar