1½ tablespoons (22.5 grams) water, room temperature
½ teaspoon (2 grams) vanilla extract
¼ teaspoon kosher salt
Instructions
In a medium bowl, stir together confectioners’ sugar, liqueur, melted butter, 1½ tablespoons (22.5 grams) water, vanilla, and salt until smooth and well combined. Use immediately.
Recipe by Bake from Scratch at https://bakefromscratch.com/irish-cream-loaf-cake/