Ginger Peach Jam

Peach jam is one of the most rewarding preserves to make at home, but the classic recipe gets a serious upgrade when crystallized ginger joins the party. The ginger melts into the jam during cooking, leaving behind warm spice notes and tiny soft chewy bits that catch you by surprise on toast or scones.

Use fully ripe peaches, the kind that perfume the kitchen when you walk in. Underripe fruit lacks the sugar and pectin needed for a proper set; overripe fruit turns mushy with off-flavors. Aim for fragrant, slightly soft fruit that yields to gentle pressure.

The full rolling boil after adding sugar isn’t a suggestion. A rolling boil is one that can’t be stirred down, big bubbles breaking continuously over the surface. This is the temperature that activates the pectin for the jam to set properly. Rush this step and you’ll have peach syrup, not jam.

The inverted-jar method (5 minutes upside down, then upright) creates a vacuum seal as the jars cool. It’s quick and works well for short-term storage; for longer shelf life, follow the USDA water bath canning method noted in the recipe.

Pro Tips

• Score the bottom of each peach with a small X and blanch for 30 seconds in boiling water for easy peeling.
• Use a wide pot, not a tall one. Greater surface area means the jam reduces and concentrates flavor faster.
• Skim the foam diligently. It’s just air bubbles trapped in protein, but it makes the jam look cloudy in the jar.
• A squeeze of lemon juice at the end brightens the flavor and helps the set.

Variations

• Substitute fresh grated ginger root for some of the crystallized ginger for cleaner heat.
• Add a vanilla bean (split and scraped) during cooking for floral depth.
• Stir in ¼ cup bourbon at the end of cooking for a grown-up version that’s incredible on biscuits.