Most of the spinach I consume (along with fruit and Greek yogurt) comes in the form of smoothies that my wife makes. I don't believe spinach puree is equivalent to cooked spinach.
Alex
"There is a cult of ignorance in the United States, and there has always been. The strain of anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that "my ignorance is just as good as your knowledge."
-- Isaac Asimov