What apples are best for apple jelly?
Tart, firm apples are your best friends here because they bring flavor and natural pectin. Granny Smith is a classic. For a rounder flavor, mix in some Honeycrisp, Fuji, or Gala. If you go all sweet apples, the jelly can taste flat unless you boost the lemon.
Do I need added pectin?
Not for this recipe, as long as you use some tart apples and you cook to the right temperature. That said, if your apples are very ripe and sweet, or you want a faster, firmer set, you can add boxed pectin. If you do, follow the pectin package directions since the order of sugar and boil time changes.
Why is my jelly cloudy?
Most of the time it is from squeezing the jelly bag or pressing the cooked apples. It is tempting, I know. Let it drip on its own. Cloudy jelly is still delicious, it just will not have that clear, jewel look.
Why did my jelly not set?
Common culprits are undercooking, too much juice for the amount of sugar, or low pectin apples. You can re-cook it: pour the jelly back into a pot, bring to a boil, and cook until it reaches 220°F at sea level (or the gel stage on a cold plate).
Can I reduce the sugar?
Traditional jelly relies on sugar for a firm set and long-term shelf stability. You can reduce it for refrigerator jelly, but expect a softer set. If you want a low sugar version that still sets well, use a low sugar pectin made for that purpose.