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What is Sun Jam? A Simple Guide to No-Cook Berry Preserving

A collage of three photos showing ways to enjoy homemade sun jam. The images feature a glass jar of red jam, a crepe topped with dark berry jam, and a scoop of ice cream with jam swirled on top.

Every summer, just as the fireweed starts painting the roadsides in shades of pink, I gather a basket and head out for one of my favourite preserving projects. If you’ve got a handful of fresh fruit and a sunny windowsill, you have everything you need to make beautiful, naturally thickened fruit preserves. I call it …