Your husband is a moron, prepared to seriously poison his children to make a point.
YOU are in huge denial about it.
Your poor children stuck between you.
He knows well what he is deliberately doing.
It's called strategic incompetence.
People behave like this, usually men, so that they are not asked to do it again.
This is deliberate on his part.
Your children deserve better than you denying what is perfectly obvious to anyone reading your OP.
He doesn't want to be responsible for cooking two nights so he will scare you with poisoning his children and doing a really shit job.
He's a shit husband and a shit father.
Your children need YOU to protect them from a man who would do this deliberately to score a point off you.
Raw chicken can make a child very ill.
He's scum to do this and then tell you about it.
The above may be harsh but you need to wake up to how absolutely deliberate this all is.