INGREDIENTS
1 1/4 cups
all-purpose flour
1/2 tsp
salt
1 tbsp
sugar
1/2 cup
unsalted butter (1 stick), cold and cut into cubes
3 tbsp
very cold water (about 1/4 cup)
cold mixing bowl
1 lb
fresh blueberries (about 3 cups)
2 tbsp
cornstarch
1 tbsp
grated lemon zest
1 tbsp
fresh lemon juice
1/2 tsp
ground cinnamon
1/4 tsp
salt
1/2 cup
sugar
1
egg, lightly beaten
1 tbsp
sugar, for sprinkling