In article >,
me > wrote:

> Hi there - can anyone tell me, why does my cheese sauce always clump?
> I melt butter, add flower, add the water obtained from boiling
> macaroni (or similar), stir stir stir, add cheese. I always get those
> disgusting lumps of cheese in the sauce. What am I doing wrong? Thank
> you.

You're doing it wrong. You need to make the cheese sauce first by slowly
adding the cheese to the roux so it melts, then slowly pour in some milk
(no water) until the cheese sauce is nice and thick. When the sauce is
ready, add it to boiled drained macaroni. You're breaking the sauce.