Pour blueberry mixture onto the bottom layer ... Serve over yogurt or with ice cream. To make into crumble bars: Add 2 additional large eggs to the crumble mixture. Follow step 1, adding the ...
Set aside to cool. For the crumble topping, add the flour to a mixing bowl and rub in the butter until the mixture resembles fine breadcrumbs and no large lumps of butter are left. Stir in the ...
Rhubarb, apple and blueberry: Reduce the rhubarb to 300g/10½oz and add 125g/4½oz fresh or frozen blueberries to the fruit mixture, just before adding the crumble topping.