10
votes
3answers
13k views

Why does coffee taste awful after reheating it in a microwave oven?

I brew my coffee with a percolator using finely ground beans and it comes out great when it is still hot. However, I have to brew at least two cups in the machine. So if I make coffee in the morning, ...
13
votes
2answers
1k views

How can I reheat coffee without imparting bad flavor?

I have a carafe of coffee brewed today that is still mostly full, and I would like to serve it tomorrow. How can I reheat it without negatively impacting the flavor?