Southern Double Crusted Cinnamon Sugar Peach Cobbler

Bahan-bahan (8 porsi)

• 2 1/2 cups all-purpose flour
• 1 1/2 teaspoons baking powder
• 1/4 teaspoon kosher salt
• 1 1/2 sticks (12 tablespoons) cold salted butter, cubed. Plus melted butter, for brushing
• 3/4 cup cold buttermilk
• cinnamon sugar, for sprinkling
• 6 cups fresh or frozen peaches (no need to thaw), sliced ((about 3 pounds))
• 1/2 cup packed light brown sugar
• 1 tablespoon cornstarch
• 2 teaspoons vanilla extract
• 1/4 cup bourbon ( (optional))
• 1/2 cup all-purpose flour
• 2 tablespoons light brown sugar
• 1/2 teaspoon ground cinnamon
• 4 tablespoons salted butter, at room temperature