Rhubarb & Raspberry Crumble Cake

200 g sour cream
250 g butter,cut into pieces
3 cups of flour
500 g rhubarb,peel & slice
100 g sugar
100 g raspberries,can be from frozen

Place the sour cream,flour & butter into the big bowl & work with your fingertips until big crumbs form.
Place 2/3 of the crumbs onto the big baking tray,lined with baking paper.Press it evenly down.
Arrange the rhubarbs & raspberries over.
Scatter ca 75 g sugar(really depends of how sweet you like it)over the rhubarbs.
Now spoon the rest of the crumb mixture over the rhubarbs.Scatter some more sugar over.
Bake at 200C ca 30 min until ready.
Serve warm with vanilla ice cream..