Combine all ingredients except the vanilla in a saucepan and set aside for 15 minutes.The berries will release its fluid.
Keep on low flame and cook the mixtures, stirring occasionally and smashing the fruits with the ladle to get a homogeneous mixture.
The compote is ready when the mixture is dried up and is all mashed up, not necessarily completely.
Switch off the flame and stir in the vanilla extract.
Allow to cool completely before transferring into a clean glass bottle.
Keeps good for a week when stored in refrigerator.