Wash spinach very good , until no dirt coming out.

Put them in a small pan, cover, cook about 4 minutes , don't over cook them.

When is cool to touch , squeeze out water from spinach , but save the juice, we will need it for later.

Chop the spinach, and keep it aside

Melt the butter , then add flour , stir continually , don't let flour burn, add milk keep stirring, until hollandaise sauce get thickens , if so dry add your saved spinach juice.

Add your nutmeg,

Add your spinach,stir very good and you are set.