Blueberry pie with cinnamon

dough: cold butter cut into small pieces and mix with flour, sugar and salt.

add water to the dough and mix everything fast. cover the dough with foil or film and put into fridge for no less than 30min

mix together the ingredients for filling part and heat them on the very small fire till thickened

cool down the filling part to room temperature

add cinnamon to the mixture before putting it into the pie form

when the dough is cooled down from 2/3 of it make the base for the pie. Put the berries inside and cover it with the remaining 1/3 of the dough.

make small holes in the top layer of the pie and bake in the oven for 30 -35 min