Modern cookery for private families by Eliza Acton

8. When cheap jams or jellies are required, make them at once with

Lisbon sugar, but use that which is _well refined_ always, for preserves in general; it is a false economy, as we have elsewhere observed, to purchase an inferior kind, as there is great waste from it in the quantity of scum which it throws up. The _best_ has been used for all the receipts given here.