Basil pesto (and what my mother taught me)

My fridge is slowly breeding jars of pesto.No, I haven't found a magical cloning forcefield (hello Zumbo macarons!), but I have started a mini-processing factory in the kitchen - one that converts abandoned bunches of basil into that gloriously green paste: pesto.My mother always taught me to 'waste not, want not'. As a kid, it was an oft-heard lecture about starving children in China, about the