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 ...

Blueberry Raspberry Freezer Jam is a delightful and easy-to-make preserve that captures the fresh flavors of summer berries.

We’re right on the cusp of berry season, and that means jam. I’ve made my own freezer jam every year for the last 15 years or so, ever since I realized I could use strawberry Jell-O in place of pectin ...