British Standard 3512 Breakfast
Don't know the ISO code.
note- best quality, local ingredients should be used in all cases, and fried in lard.
No less than two (2) rashers of back bacon (smoked or unsmoked, depending on availability)
No less than two (2) Link Sausages
Two (2) fried eggs - yolks runny, consistent with Standard 3517.
one (1) piece of black pudding.
Two (2) pieces of fried bread
1/4 cup of baked beans
1/4 cup of mushrooms (fried)
served with British Standard Tea [BS 6008}, (http://www.mus-ic.co.uk/images/blog/2006-04-27/bs_6008.pdf )
and a rack of four  slices of white bread toast.
Tomato sauce should be made available if required.
Regional additions are encouraged, without substitution of main ingredients.
In my case the addition of
2 Hash Browns
Extra link Sausage
Scrambled egg (1/4 cup)
Availability of HP sauce
The addition of anything green (garnish, green bits in bubble and squeak etc.) is strictly verboten.