Combine the ingredients for the dough and let rest for about 30 minutes.
Preheat oven to 200 ° C. Rinse, and blueberries in thick .

Press the dough into a greased oven-proof form (save some dough to use for garnish). Cover with blueberries mixed with sugar and cinnamon. Roll out the rest of the dough into thin lengths and put them in pretty patterns on top of blueberries.

Bake at the bottom of the furnace for about 35 minutes or until blueberries are soft. Sprinkle with icing sugar. Serve with custard.

Ingredients
Aliquots: 4

YOU:
4 1/2 cup flour
200 g butter
1 teaspoon vanilla

FILLING:
5 dl blueberry
2 tablespoon cinnamon

FOR SERVING:
icing sugar
custard
Cool blueberry shaking

Cooking time: Over 20 minutes
Difficulty: Mean