Brown Sugar Peach Shortcakes

Bahan-bahan (6 porsi)

• 3 1/2 cups all-purpose flour
• 2 1/2 teaspoons baking powder
• 1/4 teaspoon kosher salt
• 2 sticks (16 tablespoons) cold salted butter, cubed, plus melted butter for brushing
• 1 cup buttermilk
• 1/4 cup cinnamon sugar
• 1 -2 tablespoons brown sugar
• 1 tablespoon bourbon ((optional))
• 1 tablespoon lemon juice
• 2 teaspoons vanilla extract
• 3 peaches, sliced
• 1 cup heavy cream
• 2 ounces mascarpone cheese, at room temperature
• 1 teaspoon vanilla extract
• 1 -2 tablespoons powdered sugar