Homemade Blueberry Pie

0 Mix 2 cups flour + salt in a bowl. Cut in shortening until crumbly. Add cold water slowly until dough forms. Divide into 2 balls. Chill 45 minutes.
1 Roll out 1 dough ball and place in pie dish for bottom crust.In a bowl, mix sugar, ½ cup flour, and cinnamon. 
2 Add blueberries and stir. Pour into crust. Add lemon juice and small pieces of butter on top.
3 Roll out second dough ball and place on top. Seal edges and cut slits for steam.Bake at 425°F for 35–45 minutes. 
4 Cover edges with foil, remove foil last 15 minutes.
5 Cool at least 2 hours before slicing.