Blueberry Galette

Instructions

• Gather all ingredients.
• Combine flour, cornmeal, and salt in a bowl with a pastry blender. Add cold butter and combine with the pastry blender until coarse crumbs form. .
• Drizzle in cold water, a little at a time, stirring to combine with a fork, until dough comes together
• Turn dough onto a work surface and bring together with your hands; press into a disk of dough. Wrap dough in plastic wrap and chill in the refrigerator for about 30 minutes.
• Preheat the oven to 400 degrees F (200 degrees C). Line a baking sheet with parchment paper or a Silpat® baking mat. Combine blueberries, sugar, lemon juice, lemon zest, and cornstarch in a bowl.
• Remove dough from the refrigerator and roll on a lightly floured work surface into a 15-inch circle, about 1/8 inch thick.
• Place blueberry filling into the center of the dough, leaving 3 to 4 inches of space around the border of dough. Fold dough up and around the berries, rotating a few inches and make another fold, overlapping the first; repeat around the dough until pleats are formed.
• Combine beaten egg and water in a small bowl and brush on the dough. Sprinkle on demerara sugar.
• Bake in the center of the preheated oven until golden, about 45 minutes.
• Serve and enjoy!