With just half the sugar!
1. Sterilize the jars in which I will place my jam.
2. Place the strawberries, sugar and vanilla in a saucepan and turn the heat on.
3. Once it starts to boil, boil for exactly 4 minutes, stirring constantly.
4. Turn the heat off, add the zest and lemon juice and skim.
5. Fill the jars.
For 1 kg of strawberries
500 g jam sugar, or 1 kg granulated sugar
1 lemon - zest
Half a lemon juice
1 x vanilla sugar