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Answers: Does it need to be freshly grated parmesan (like I'd grate any other cheese) or can it be the parmesan cheese you serve with spaghetti? LOLOL

I am sure I know the answer (fresh) but just making sure. Not going to spend the extra money if I dont have to.

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Huh? I don't know what you use, but the parmesan cheese I serve for spaghetti IS fresh. Sometimes I buy it already grated (finely grated).. looks just like the stuff in the can, or I use a rotary grater, or a microplane grater/zester to grate it. I never buy that garbage in the round container. You don't HAVE to use fresh, and don't HAVE to spend the extra money. It's up to you. I couldn't say it's extra because I wouldn't buy the other stuff for use with ANY meal. But if you want good flavor for Alfredo.... well you know. :)

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it must be fresh otherwise it will be nasty

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You can use the grated cheese. it is the same thing and it saves You time.

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Spend the extra money.

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use Parmesan reggiano

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Fresh, definitely. Most things are much better when fresh is used. Also, the grated stuff is usually very dry and wouldn't melt into a creamy subsistence when heated. It would be gunky.

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The parmesan must be freshly grated or it will not melt properly. The manufacturers add an anti-caking ingredient to commercial pre-grated parm that keeps it from melting into the right consistency. It's a lot of work but does make it better.

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