Visits to coffee houses were a frequent indulgence when I live in Vienna in my early twenties – my drink of choice was velvety hot chocolate slathered with just-whipped heavy cream, dusted with cocoa powder.

My other indulgence? Pastries.

Eclairs, steamed cakes, moussed slices, meringues, puff pastries – the coffee house cases always seemed stocked with some new-to-me delicacy just waiting to be sampled.