At first glance, putting Dr. Seuss and Kaizen in the same sentence might sound like pairing green eggs and red peas with a corporate handbook – impossibly odd and an eyebrow-raiser.

Set a large lidded frying pan over a low-medium heat. Add 2 tbsp olive oil and knob of butter.When the butter has melted, add 2 large leeks (finely sliced) and a big pinch of salt. Stir, put the ...