I am mystified as to how you get a pint plus another glassful into a pint glass ...
Step 4b: Drink half your Guinness :)
(
drimble he'd been white, he'd been black,
Thu 17 Mar 2011, 17:40,
archived)
The ingredients specify 10oz of Guinness.
That is half a pint.
(
LordManley twitter.com/LordManley,
Thu 17 Mar 2011, 18:26,
archived)