There is also the complexity of how much the food is cooked and whether it is consumed along with other complementary food that aids in its digestion. I had once heard of a theory that children left to their own devices in the presence of healthy food will eat what and how much they want and still remain healthy- even in the case of a child that prefers to repeatedly eat the same food. It's as if their instincts tell them what to eat and what not to eat by making them averse to a food whose nutrition they have had enough of.