On Tue, 24 May 2016 08:32:03 +1000, Jeßus > wrote:

>Alright, so here's an opportunity to give me some crap
>
>OK. So the other day I made some Mac & Cheese, came out nice but I was
>a bit heavy with pepper... but still nice. Was refrigerated. This
>morning I reheat it... and it is really quite unmistakably bitter.
>Looks and smells fine.
>
>The only real difference with this particular M&C was more pepper than
>usual. Can pepper make food taste bitter after some time?

sounds like sour milk to me.
Janet US