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Export 1 ingredients for grocery delivery
Step 1
Use a very large pot.
Step 2
When the jam reaches a full rolling boil it will double in volume.
Step 3
Heat mashed berries until they reach a full rolling boil.
Step 4
Boil 2 minutes.
Step 5
Add sugar.
Step 6
Stir well.
Step 7
Bring to a boil, stirring constantly, boil for 2 minutes.
Step 8
Remove from heat.
Step 9
Beat with rotary beater for 4 minutes
Step 10
Pour in sterilized jars and seal.