Serves One.
Pour 25 ml of Tia Maria into a cold clean shooter glass. then carefully layer 25 ml Baileys over the top, using a bar spoon.
This takes practice, so it's probably best to quickly drink any mistakes and have another go.
'Oops not quite perfect, I'll drink that as well...oh no! my hand wobbled, better have another try...damn not again...one more for me then'