Apple Slab Pie

Bahan-bahan (12 porsi)

• One quarter sheet pan ( (9x13-inch with a 1-inch tall rim))
• 2 1/2 cups + 2 tablespoons all purpose flour
• 16 tablespoons unsalted butter, (cubed and frozen for 20 minutes)
• 1/4 teaspoon kosher salt
• 1/2 cup ice water
• 3 to 4 pounds (6 -7 large) apples ((see Recipe Notes below))
• 1/3 cup packed light brown sugar
• 2 tablespoons all purpose flour
• 1 tablespoon freshly squeezed lemon juice
• 1/2 teaspoon ground cinnamon
• 1/2 teaspoon ground ginger
• 1/2 teaspoon ground nutmeg
• 1/4 teaspoon kosher salt
• 2 tablespoons cold unsalted butter, (cut into pieces)
• 1 tablespoon heavy cream or whole milk
• 2 tablespoons sparkling or granulated sugar