Tag Archives: pesto

The statistics of pesto

Image: This is what 1300 g (2.8 lb) of basil looks like. 

Yesterday (as I write) I bought some basil at my local farmer’s market.  Quite a lot of basil, actually – almost 3 pounds of it – because it was my annual pesto-making day*.  My favourite vendor sells basil by the stem (at 50¢ each), and I started pulling stems from a large tub.  Some stems were quite small, and some were huge, with at least a five-fold difference in size between smallest and largest (and no, I didn’t get to just pick out the huge ones).  So how many stems did I need?  Or to put it the other way around, given that I bought 49 stems, how many batches of pesto would I be making, and how many cups of walnuts would I need?

My undergrad students – like a lot of biology students – don’t like statistics.  Continue reading

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