Blueberry Galette With Rosemary Crust

Name: Blueberry Galette With Rosemary Crust
Ingredients: Rosemary Crust; 1 1/4 cups all-purpose flour; 1 1/4 cups whole-wheat flour; 2 tablespoons turbinado sugar; 2 tablespoons very finely chopped rosemary; 1 teaspoon kosher salt; 16 tablespoons cold unsalted butter, cut into small cubes; 1/4 to 1/2 cups ice-cold water; Blueberry Filling & Assembly; 2 pints fresh blueberries; 1/4 cup turbinado sugar, plus more for sprinkling; 1 lemon, juiced; 3 tablespoons all-purpose flour, plus more for dusting; 1/2 teaspoon ground cinnamon; 1 large egg, beaten to blend