Preheat the Oven to 180 degrees Celsius
Mix the diced fruit with 1 tbsp flour and 2 tbsp sugar.Set aside.
In a bowl, mix together the 1/2 cup flour, oats,1/4 cup sugar and melted butter.
Mix the ingredients with your hands, try and make everything wet.If required add more butter 1 tbsp at a time.
Layer the fruit on the bottom of the baking tin.
Add the crumble layer on the top- Do this roughly- Do not make it too perfect or press it down too much.
Once the whole surface is covered, bake it in the oven at 180 degrees for 30 minutes or till the top is golden and you can see a bit of sauce bubbling on the top.
Let is cool slightly before serving with ice cream.