American Flag Pie Recipe

Ingredients

• 3 1/2 cups flour
• 3 1/2 teaspoons sugar
• 1 1/2 teaspoons kosher salt
• 14 ounces butter (3 1/2 sticks), cut into cubes
• 7/8 cup sour cream (that's 3/4 cup plus 2 Tbsp)
• 3 1/2 pounds strawberries, hulled, quartered
• 1/2 cup sugar
• 2 teaspoons orange zest
• 4 tablespoons cornstarch, flour, or minute tapioca
• 1 pint blueberries (about 0.6 lbs, 280 g)
• 3 tablespoons sugar
• 1/4 teaspoon cinnamon
• 1 teaspoon lemon zest
• 2 teaspoons lemon juice
• 2 tablespoons cornstarch, flour, or minute tapioca
• 1 egg white
• 1 teaspoon of milk or cream