Wash the strawberries, clean them and cut them into small pieces.
Peel the pears, remove the core and also cut into small pieces.
Pour the fruits into a large pot and add the natural sweetener DolceDì.
Stir and bring to the fire.
Over high heat, bring to a boil, then lower the heat and continue cooking for 50-60 minutes, stirring often.Blend a little the jam with an immersion blender.
Pour the hot jam into the sterilized jars, close them with the lids and turn them upside down for 20 minutes.
Now proceed with the double sterilization: put the jars in a large pot and cover them completely with cold water.
Bring to boil, low the heat and cook for 20 minutes.
Let the jars cool in the water, dry them and store.