1 stick (4 ounces) unsalted butter, softened
1/2 cup brown sugar
1/2 cup granulated sugar
3 large eggs
1 cup flour
1/2 teaspoon baking powder
1/2 teaspoon ground cinnamon
1/4 teaspoon salt
1/4 teaspoon baking soda
1/4 cup milk
1/2 cup molasses
1/4 cup Tennessee whiskey, such as Jack Daniel's
Vanilla ice cream, for serving
Chocolate sauce, for serving
Candied Pecans, for serving, optional