This post is all about Irish Cream Buttercream. Happy St. Patrick’s Day! For those of you that don’t know St. Patrick’s Day is for more than drinking green beer (ew btw) but actually celebrates St. Patrick who is the patron saint of Ireland. Overall it provides an opportunity to celebrate Irish culture and all things Irish! To celebrate this year I decided to make some cupcakes, and I thought I’d share with you the recipe for my Irish Cream buttercream. This is essentially my regular American Buttercream recipe with a few tweaks. I’ve omitted the vanilla and cut back on the sugar, and of course added Irish cream. You will…