Baked Blueberry Slab Pie Recipe | Traeger Grills

Ingredients

• 5 Cup all-purpose flour, plus more for dusting
• 1/4 Cup granulated sugar
• 1 Teaspoon kosher salt
• 2 Cup (4 sticks) unsalted butter, cold, cut into 1/2-inch cubes
• 10 Tablespoon ice water
• 1 Teaspoon room temperature water
• 1 Large egg
• 1/4 Cup coarse sugar
• 10 Cup (2 1/2 lb) blueberries, fresh or frozen and thawed
• 1/2 Cup granulated sugar
• 2 Tablespoon cornstarch
• 2 Teaspoon lemon zest
• 1 Teaspoon vanilla extract
• 1 Pinch kosher salt