Strawberry Galette

Ingredients (16)

• For the Galette Dough:
• 1 3/4 cups all-purpose flour
• 1/3 cup granulated sugar
• 1/4 cup coarse cornmeal
• 1/4 teaspoon salt
• 1/2 cup cold butter,
• 1/3 cup buttermilk
• For the Strawberry Filling:
• 3 1/2 cups sliced strawberries
• 1/4 cup sugar
• 1 tablespoon cornstarch
• 1 teaspoon vanilla bean paste
• For the Egg Wash:
• 1 large egg
• 1 tablespoon water
• 2 tablespoons turbinado sugar,