INGREDIENTS
5 cups
Blueberries, fresh
1 tsp
Lemon zest plus
3/4 cup
All-purpose flour, unbleached
1 1/4 cups
All-purpose flour plus more, unbleached
3 tbsp
Brown sugar, packed light
1/2 tsp
Cinnamon
2 1/2 tbsp
Cornstarch
1/2 tsp
Kosher salt
1/4 tsp
Salt
3/4 cup
Sugar
1
(1 stick) chilled unsalted butter, cut into 1/2' cubes, unsalted
5 tbsp
Butter, unsalted