The original source of this receipt isn't known. Can you help? raise an issue on GitHub20 lavender flowers
2 lemons
2 tsp mustard seeds
3 onions finely chopped
50g sultanas
1 tsp cinnamon
1tsp allspice
500g sugar
White wine vinegar
Cut the whole lemons into small shreds (rind and everything). Soak in vinegar overnight. Next day boil all the ingredients reduce to a jam consistency.
Image: The Khaki Kook Book, 1917