Rhubarb has a peculiar quality among spring ingredients: it tastes nothing like the season. Where asparagus and peas taste green and fresh and alive, rhubarb is tart, almost confrontational. It demands sugar to become approachable, and in that negotiation something interesting happens.
Why Rhubarb Preserves
Rhubarb has the kind of acidity that preserves exceptionally well — it holds its flavour through the jam-making process better than most fruits. The colour is also extraordinary: those vivid pink stalks, particularly the forced variety from Yorkshire, produce a jam the colour of a winter sunset.
The addition of dried rose petals is a classic English pairing, rooted in Persian culinary tradition that worked its way into British kitchens in the 18th century. The petals add a floral note that doesn’t compete with the rhubarb — it softens it, rounds it out. Use culinary-grade dried petals or dry your own from unsprayed garden roses in late summer.
The Basic Method
Wash and slice one kilogram of rhubarb stalks into rough 2cm pieces. Layer with 750g of white caster sugar in a wide, heavy-based pan. Add the juice of one lemon and a generous tablespoon of dried rose petals. Cover and leave overnight — the sugar will draw the liquid out of the rhubarb, creating a rosy syrup that is the base of your preserve.
The next day, bring to a full rolling boil and cook for about 12 minutes, stirring regularly. Test for setting by placing a spoonful on a cold plate: if it wrinkles when you push it with your finger after a minute, it’s ready. Pot into sterilised jars and seal.
How to Use It
On toast with good salted butter, of course. But also stirred through yoghurt with toasted oats for breakfast, spread into a Victoria sponge instead of strawberry jam, or served alongside a sharp hard cheese on a board. The tartness makes it more versatile than sweeter preserves — it can sit at the edge of savoury as easily as it anchors a pudding.