Without pectin, your jam simply wouldn't set ... corn starch, xanthan gum, or gelatin, all of which act as thickeners.

pectin (or even gelatin) may be added. Unlike the other preserves listed here, membrillo is more likely to be found in the fancy cheese section than in the jam aisle of your grocery store.

High-pectin fruits include: blackcurrants, redcurrants, cooking apples, damsons, quinces, gooseberries and some plums. Low-pectin fruits include: blackberries ...

Make your own jams and jellies with this homemade pectin recipe. Using all natural ingredients, anyone can make this easy recipe for the summer jam season. You can learn how to make pectin for ...