I had brought a jar of pickled onions on impulse at my local farm shop. I hadn’t had them for ages and there they were just sitting on the counter waiting for me to buy them. And I had some wonderful black bomber cheddar in the fridge which I knew they would complement beautifully. As I finished the 5th pickled onion I found myself thinking – “I wonder how many pickled onion is too many to eat in one go?” Which leads me to pondering – how do we know when something is too much? Or indeed not enough? What…..