Homemade jam feels like sunshine in a jar. When I make a batch of this blueberry jam recipe in my kitchen, I want more than good flavor. I want a safe, reliable, research-based method that I can trust ...

From berries and peaches to rhubarb, this versatile jam recipe transforms fresh fruit into deliciously sweet preserves. Once macerated, the fruit mixture is cooked into a glossy, jewel-toned jam. “The ...