Remove the seeds from the plum, then place in a blender and chop. You can also skip through a meat grinder or chop finely.
Then add sugar and cocoa to the plums, mix well or whisk.
Cook the jam over low heat after boiling for 1 hour, stirring occasionally.
Pour hot jam into sterile jars and roll up.
Plum chocolate jam is very tasty; it tastes like chocolate candies with plums. Cooking jam is quite simple and quick, it turns out pretty liquid. This jam is great for desserts, for cake dressing, as well as just for tea, you can also add a little jam in yogurt and then you will get an amazingly delicious dessert. You can also make an amazingly delicious cream cake from jam, just add a little butter to the jam and beat with a mixer.