6. Mix the ingredients for the crumbles (flour, sugar, cinnamon, salt, butter) in a bowl and kneed till you have a crumbly dough. Alternatively you could also use a kitchen machine with using a
flat beater.
7. When the dough is ready to use, take a baking tray and cover with baking paper.
8. Evenly spread the dough over the baking tray and spread the plums over it.
9. Cover the plums evenly with the crumble mixture. Sprinkle occasionally with a bit of sugar and cinnamon mix.