>Has it never occured to anyone to dip out a small amount with the
stirring
>spoon and put it on a small plate or in a cup and taste it with a
tasting
>spoon

No need to pour anything out onto plates and cups. You're tasting,
not eating. Take some sauce with The Mother Spoon and pour onto a
smaller spoon. Taste. Discard smaller spoon into sink or trash, and
carry on merrily stirring with The Mother.