They changed the oils they cooked with from tallow to whichever vegetable oil is cheapest. Those newer oils burn at cooking temperature and add a flavour to the fried meat
That happened in the late '80s when the lies about saturated fat became popular
now that you mention it, cheese burgers taste different than they used to because of this most likely.
They changed the oils they cooked with from tallow to whichever vegetable oil is cheapest. Those newer oils burn at cooking temperature and add a flavour to the fried meat
That happened in the late '80s when the lies about saturated fat became popular