Preheat oven to 350. Grease and flour bundt pan.
Cream the butter with sugar and salt. Whisk the eggs and add them to butter. Pour in Baileys and mix well.
Mix flour and baking powder together and then add to butter/egg mixture. Beat until smooth and pour into prepared pan
Bake for 30-35 minutes checking often near end of baking time. Remove cake when just barely done, do not over bake.