Microwave until thick (stir occasionally)
Wash the strawberries thoroughly and remove the stems.
Cut the strawberries into appropriate sizes.
Put strawberries and erythritol in a pot.
Boil over medium-low heat, stirring occasionally.
When the strawberries are soft, add lemon juice.
Simmer until it reaches your desired consistency.
Put the finished jam into sterilized glass jars.