Simple healthy plum crumble recipe

So i had a whole load of plums to use up before they went off.. so i decided to make a simple yet healthy plum crumble..
or you need is:
plums i used 6-8 quartered
coconut sugar (light soft brown would be perfect to) a good sprinkle
ground Almonds a good sprinkle over the sugar
flaked almonds again sprinkle over the almonds
Bake for 15-20mins preheated 180c oven, serve with whipped cream or custard yum!