FriendsEAT New York
Description:
Orange jam is great, everybody knows it. But grapefruit jam is magic. the same recipe as for orange jam can be used for lemon jam, grapefruit jam and maybe tangerine jam too. Though simple, to succeed you must be precise with TIME and TEMPERATURE ( I'd use electronic timer and electronic thermometer that can go at leas to 120°c (250°F). The best cooking pot is made of copper, for it spreads the heat equally....
Reference:
No ref.
Prep:
1 hour (+15 hours)
Servings:
4 jars of 700 grams