- 2 ½ cups all-purpose flour
- 2 ½ teaspoons baking powder
- ½ teaspoon salt
- 1 cup unsalted butter, softened
- 2 cups granulated sugar
- 4 large eggs
- 1 teaspoon vanilla extract
- 1 cup whole milk
- ¼ cup Hennessy cognac
- 1 tablespoon orange zest (optional)
- 1 cup unsalted butter, softened
- 4 cups powdered sugar
- ¼ cup Hennessy cognac
- 1 teaspoon vanilla extract
- Optional: orange zest for garnish