How Do You Make Blackberries Into Jam?
Blackberries are plentiful during early spring and summer in the United States. Juicy and sweet, the antioxidant-filled berries are commonly made into pies, cobblers and jams. Use this simple blackberry jam guide to make a fruit topping for ice cream, toast or even waffles. Wash the blackberries. Fill the sink or a large plastic tub with cold water. Add 1 cup of salt per gallon of cold water to draw out any grubs, larvae or beetles. Add 8 cups of fresh berries to make 6 cups of finished blackberry jam. Let the berries soak for one hour. Remove any overly ripe soft, mushy berries. Remove any leaves, stems, beetles or grubs that float to the surface. Rinse the berries with clear, cold water. Prepare the jam jars and lids while the berries soak. Wash half-pint or full-pint jars and lids in hot, soapy water. Sterilize the jars and lids in the dishwasher, or boil them in water for 10 minutes. Keep them hot until they are filled with the jam. Measure out the pectin and sugar. Pectin thickens
