Marzipan followed sugar westward and settled where the almonds were

A confection that required two expensive things at once

Marzipan needs almonds and it needs a great deal of sugar, and for much of its history both were costly imported goods across most of Europe. That combination placed it firmly among the luxuries, alongside spiced preserves and candied peel, and it appears in the records of wealthy households and religious institutions rather than ordinary kitchens. Its early associations with medicine are no accident either, since sugar itself was classified among the apothecary’s materials before it became a food.

The technique appears to have reached Europe through the Mediterranean, along the same routes that carried sugar cultivation and refining westward from western Asia and North Africa. Precisely where and when it was first made in something like its modern form is not settled, and several cities have long-standing traditions and competing claims. That is a familiar pattern for any preparation whose ingredients travelled faster than written recipes did.

The qualities that made it worth the expense

Almond paste has properties nothing else available at the time could match. It holds fine detail when moulded or modelled, so it could be shaped into fruit, animals, coats of arms or architectural pieces for a banquet table. It keeps for a long time without refrigeration, because the sugar concentration leaves very little water available to spoilage organisms. And it requires no oven, which mattered a great deal in kitchens where oven access was shared or intermittent.

Those characteristics made marzipan the medium for edible sculpture at the grand end of European dining, in the elaborate sugar centrepieces that were as much display as food. The tradition survives in miniature in the moulded marzipan fruits still sold in parts of southern Europe, and in the figures made for particular feast days. What was once a demonstration of wealth is now mostly a seasonal habit, which is a fairly typical trajectory.

Where it stuck, and why those places

Marzipan concentrated in cities with a stake in the almond and sugar trades, or with easy access to almond-growing regions. Northern German port cities became famous for it, as did centres in Spain, Sicily and elsewhere around the Mediterranean where almonds grew locally. In each case the local version developed its own conventions of ratio, flavouring and form, and several are still protected by regional designations that specify a minimum almond content.

That minimum is the crux of most quality arguments about marzipan. A higher proportion of almond gives a richer, oilier, more fragrant paste; a higher proportion of sugar gives something firmer, cheaper and considerably sweeter. Both are legitimate products with different uses, but only one tastes of almonds, and the difference between a traditional named marzipan and a general-purpose almond paste is usually exactly this ratio.

Persipan and the substitution problem

When almonds were scarce or costly, producers turned to apricot and peach kernels, which are cheaper and taste broadly similar. The resulting product is called persipan and it is a genuine confection in its own right rather than a fraud, though it must be labelled distinctly in the places that regulate it. The kernels require treatment before use to reduce naturally occurring compounds that release cyanide, which is a real processing step rather than a precaution invented later.

The intense almond flavouring that shows up in cheaper confectionery has a related story. That aroma is largely benzaldehyde, which occurs naturally in bitter almonds and stone fruit kernels and can also be produced synthetically. It is the reason so many almond-flavoured sweets taste of something sharper and more perfumed than an actual almond does, and the reason a marzipan made only with sweet almonds can strike some people as oddly mild.

Its long second life as a cake covering

Marzipan found a durable role beneath icing on celebration cakes, and the job it does there is practical. Spread over a rich fruit cake, it forms a barrier that stops fruit oils and moisture staining the icing above, gives a smooth surface for that icing to sit on, and adds a layer of flavour that stands up to the fruit underneath. Cakes covered this way were often made weeks ahead, so the barrier had real work to do.

It has retreated somewhat as tastes have moved away from heavily fruited cakes and towards lighter sponges, and as rolled sugar paste took over the covering role. That is a reasonable evolution rather than a decline, though something is lost. A layer of good almond paste contributes flavour, and the sugar paste that replaced it mostly contributes a surface — which is a fair summary of where a lot of celebration baking has ended up.