Our (usually rhubarb in our house) Crumble

Ingredients:
1 tin of rhubarb
Any other fruit you like (apple/pear/blackberries etc)
75g butter
175g plain flour
50g granulated sugar
cinnamon
demerara sugar

Method:
Oven = 200C(ish)
Drain rhubarb tin, chuck in dish. Peel and chop the other fruit into dice-size bits, chuck in with the rhubarb.
Rub butter into flour to get breadcrumb-like consistency. Stir in the granulated sugar.
Sprinkle over fruit.
Dust with cinnnamon and a light scattering of demerara sugar.
Bake for about 20-25 mins til golden.