Berry or Apple Galette with Cornmeal Crust Creates Special Occasions - Dawnpilot

Ingredients

• 1 3/4 cups flour
• 1/3 cup granulated sugar
• 1/4 cup cornmeal
• 1/4 tsp salt
• 1/2 cup cold butter, cut into small pieces
• 1/3 cup fat-free buttermilk
• 4 cups blueberries
• 2 cups blackberries
• 1/2 cup granulated sugar
• 3 tbsp flour
• 1 tbsp small tapioca, ground
• 2 tbsp lemon juice
• 2 tbsp fat-free milk
• 1 large egg white
• 1 1/2 tbsp turbinado sugar