I wonder if eggs are graded and sized the same way in the UK as they are in N.America? If you put 3 medium eggs in a measuring cup, how many ounces (or mLs) would you have? I know that 2 of the size eggs I use equal a hair under 1/2 cup or 125 mLs.

And how heaped, is a heaped TBS of flax & VGW?