Cooking cream is probably similar to half and half. It's cream that can stand being boiled, and has about 11-15% fat.
A packet is uh... 125ml? Ask google how much that is in ounces :P
I used 10 asparagus stalks last night, more or less depending on how much you like the taste.

*sneaks off to correct the typos*

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Si tacuisses, philosophus mansisses.

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