I take Easy Mac a lot. Instead of 8oz of water as used in the cup, I boiled 4oz on the trail. I think it has to do with water evaporating in the microwave is reason why it 8oz in the cup.

I learned the first time I put Easy Mac in my mug, that 8oz was a lot of water and 4oz was just the right amount.
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It is one of the blessings of wilderness life that it shows us how few things we need in order to be perfectly happy.-- Horace Kephart