Ingredients
3/4th cup sugar
3 Tbsps Cornstarch
1/4 tsp salt
1/2 tsp cinnamon
4 cups blueberries
1 sweet pie dough crust (basic recipe)
1 Tbsp butter

Method
1) Preheat the oven to 200 ^o C/ 400 ^o F. Line the pie dish with the prepared pastry. Make holes with a fork. Bake for about 10 mins.
2) Mix the sugar, constarch, salt & cinnamon & sprinkle it over the blueberries. Put the berry mixture over the baked crust & put some melted butter on top.
3) Cut the remaining pastry into 3/4th inch wide strips & make zigzag patterns or any other desired pattern. Crimp & flute the edges. Brush with egg white or milk.
4) Bake for about 40-50 mins till golden brown. In the middle rotate the pie so that the behind part does not become too brown.

Alternatively, you may use a blueberry pie filing to make the pie instead of fresh blueberries. Adjust for sugar & spices. if too thin, add some cornstarch.