Summary

D. de Quelus The Natural History of Chocolate…

It therefore seems likely, that the Merchants find their account in sorting it, since Kernels proceeding from the same Tree, and from the same Nut, are not always of the same bigness. It is indeed true, that if one Parcel of Kernels be compared with another, the one may consist of bigger than the other, which may arise from the Age or Vigour of the Trees, or from the Nature of the Soil; but certainly there is no kind of Kernels which may be called Great, as a distinct Kind, nor consequently no other which can properly be said to be Small.
Source: Wikisource

D. de Quelus The Natural History of Chocolate…

All the Kernels being thus roasted and cleansed at divers times, they put them once more to roast in the same Iron Shovel, but over a more gentle Fire, and stir them with the Spatula without ceasing till they are roasted all alike, and as much as they ought to be; which one may discover by their Taste, and their dark-brown Colour, without being black. The whole Art consists in avoiding the two Extremes, of not roasting them enough, and roasting them too much; that is to say, till they are burnt. If they are not roasted enough, they retain a disagreeable Harshness of Taste
Source: Wikisource

Get perspective with Kwize: daily news enlightened by great literature