Turn your oven on to 325°F.
Grease your cake pan with butter or oil.
Mix butter and sugar until smooth and fluffy.
Add one egg at a time, mixing each one in.
In another bowl, mix flour, baking powder, and salt.
In a cup, mix milk, Hennessy, and vanilla.
Add a bit of flour mix, then a bit of milk mix.
Keep doing this until all is mixed in.
Stir gently until the batter is smooth.
Pour it into the pan.
Bake for 70–80 minutes until a toothpick comes out clean.
Let it cool for 15 minutes, then take it out of the pan.
Mix the glaze and pour it over the cake once it’s cool.