Peach-Blackberry Galette

Ingredients (17)

• For the Filling:
• 6-7 Peaches Fresh, pitted and sliced
• 2 Cups Blackberries fresh
• 1/2 Cup Sugar
• 1/2 Lemon juice, about 1 tb
• 2 Tablespoons Cornstarch
• 1 Tablespoon Cinnamon * added by me scant
• Pinch Salt
• 1 Egg Large, slightly beaten
• Sanding Sugar for sprinkling
• Cornmeal Pate Brisee:
• 2 Cups Flour
• 1/2 Cup Cornmeal
• 1 Teaspoon Salt
• 1 Teaspoon Sugar
• 2 Sticks Butter cold and cut into chunks (UNSALTED)
• 1/4-1/2 Cup Water Ice