I am by no means an expert in the topic of preserves, but I compensate for this with exuberant enthusiasm. Is there anything more satisfying than eating jam that you created, I think not. These jewel jars of bright red fresh raspberry jam were my first attempt at preserves. I have been thinking of doing this for many years and am so happy I finally did. I already have plans for my next three canning extravaganzas.
I did not create this recipe, it's purely the one you get inside the Certo package. The trick is to be exact in your timing and measurement. Chemist's do make great cooks!
The source of your berries is also very important. Do try to buy local. We have so much variety here on the west coast...paradise on earth. I went to a you pick raspberry farm in Cobble Hill, just 5 min off the HWY#1. See map link below.
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Raspberry season ends mid August, so hurry up to get yours soon. Growers may still have frozen berries later, which are great for preserves.
5 cups crushed raspberries-sieve half of pulp
1 box Certo
7 cups sugar
1. Boil 4 X 500mL or 8 X 250mL canning jars for 10 min
2. Stir together prepared fruit and and Certo in a large pot. Bring to boil over high heat.
3. Add all the sugar and return to boil for 1 min.
4. Remove from heat. Stir and skim for 5 min.
5. Toss lids and rings in the boiling water with the jars for last 2 min.
6. Remove jars/lids/rings/ from boiling water and place on a clean tea towel. Be sure to keep everything sterile. I even put my tongs in the boiling water.
7. Pour jam into warm sterilized jars 1/2 inch from top. Add lids and rings, finger tight.
Let come to room temp 12-24 hrs, store in fridge, keeps 6 months.
or
Process jars 10 min completely submerged in the boiling water, then cool to room temp for 12-24 hrs, store at room temp, keeps 1 yr.
The photo above is three batches of jam made consecutively. Never double or triple batches of jam as I have heard from many people, it just doesn't work.