8 peaches, peeled and sliced, about 6 to 8 cups
1/4 cup bourbon
3/4 cup sugar, divided, plus more for dusting
2 tablespoons cornstarch
1 teaspoon ground cinnamon
1 1/2 cups all-purpose flour
2 teaspoons baking powder
1/2 teaspoon kosher salt
12 tablespoons (1 1/2 sticks) cold unsalted butter, plus 2 tablespoons for skillet
Heavy cream, plus more for brushing