Vanilla bean and blueberry mini cheesecakes

My initial idea was to make Nigella’s peanut butter cheesecake – that was why I bought several packages of cream cheese after all. Peanut butter cheesecake with a milk chocolate glaze... Yum, yum. But I had a surprise after opening the peanut butter jar: it was almost empty; I was furious for a couple of seconds then remembered that I’d had several spoonfuls of peanut butter lately. Too many, I