Step 1:
Start by ensuring your serving glass is as cold as possible, from the freezer is best!
Step 2:
Add all your ingredients into a mixing glass, fill to the brim with large chunks of clear, good quality ice, and stir with the end of a spoon for 20 seconds to chill and dilute.
Step 3:
Remove your glass from the freezer, strain your cocktail into it, and serve.