1. put all the ingredients into a bowl and leave it overnight (do not stir or knead).
2. on the second day of the pulverize 1/2 kg of flour-mix and pour into a mold, and when he gets older, put into a cold oven and bake for about 1 hour. in 170 (C).
Before placing in the oven you can powciskać particles in fruit and sprinkle with the streusel.
I am always the bun I make two servings to came out the whole shield on:)