Baked Blueberry Slab Pie Recipe | Traeger Grills

Ingredients

• 5 Cups all-purpose flour, plus more for dusting
• 1/4 Cup granulated sugar
• 1 Teaspoon kosher salt
• 2 Cups cold unsalted butter, cut into 1/2 inch cubes
• 8 Tablespoons ice water
• 1 egg
• 1/4 Cup coarse sugar
• 10 Cups (2-1/2 lbs) blueberries, fresh or thawed
• 1/2 Cup granulated sugar
• 2 Tablespoons cornstarch
• 2 Teaspoons grated lemon zest
• 1 Teaspoon vanilla extract
• 1 Pinch kosher salt