I want to make Blueberry Lime jam from frozen berries. I usually use a recipe from The Joy of Jams but thought I might try pectin this time since I want to sell the jam this week (by Sat if not Wed). The Ball Complete recipe calls for 4.5C crushed berries and 1.75oz of the old ("Classic"? or have they reformulated?) pectin.
I have no/low sugar pectin they sell in the canister now, so looked at pectin calculator, there isn't a recipe for Blueberry Lime on their website but calculator says for blueberry jam use 4C of fruit and 1C of unsweetened juice or water?? That's in addition to 3Tbsp of lemon juice, 1-1.5C of sugar, and 4.5Tbsp of the pectin for a yield of 6 half pints.
Has anybody tried making jam (any kind of jam) using the pectin calculator and fruit juice/water? It seems to me (esp. with water) that you'd just be spending more time boiling off the water to get a set.
They do have a Reduced Sugar recipe for their Auto-canner they say will only work in the Auto-canner but I don't see why the recipe would be any different, just the processing instructions. That calls for
4 cups crushed blueberries (about 2 lbs or six 6 oz containers)
3 tbsp bottled lemon juice
4-1/2 tbsp Ball� brand RealFruit� Classic Pectin
1/2 tsp butter or margarine (optional)
3 cups granulated sugar
and no added water/juice. It seems very strange to me, the Reduced Sugar recipe uses the Classic pectin not the No-sugar pectin and just cuts the sugar from 5C to 3C.
The pectin calculator DOESN'T call for added liquid when using the Classic pectin. What is it about the no-sugar that requires (?) the liquid now?
Since the blueberries are frozen, do you think that they will provide enough liquid as they start to thaw, if I use 2 pounds of frozen berries and 4.5Tbsp of pectin mixed with 1C of sugar (and then I can add more once everything's bubbling)?
malna
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