Fermentation Day: A Fermentation Celebration

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Introducing the national holiday we have all been waiting for... it's Fermentation Day!

The Polish have fermented blood running through their veins. They baptize their children with fermentation water and guard their family fermentation recipes with their lives. If you have to ask us why we are celebrating Fermentation Day in Poland on the 30th of September, then either you have never visited (what are you waiting for?), or else you don’t know what fermentation is and you’re reading this to find out. 

So, what is fermentation? 

Fermentation is “the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat” (Google Dictionary). Ironically, it’s the degeneration of the raw product that takes it from something normal to something rather spectacular.

For example, cheese is simply milk that has ‘gone off’ and been left to mould. Grape Juice, when sent to rot in a cellar, turns alcoholic thanks to the special bacteria… and becomes wine. Penicillin, the first ever antibiotic and one of the most commonly used medical products on the market today, owes its origin to accidental fermentation.

This natural process was first observed and considered by man thousands of years ago. We have been wielding this axe of health and sustenance since around 15,200 BC when Neolithic man (seriously!) twigged at this scientific hack. After all this time, fermenting has transformed into a diverse culinary artform with endless recipes, ingredients, uses and formats. As you read this article, Fermenters around the world are busy studying, experimenting, testing and tasting, creating new flavours, new techniques, new medicines and new foods.

Why is it so popular with Polish people?

Poland has a long history of hard winters, changing border lines and long wars - fermentation has been a necessary food preservation technique during many times of hardship when money and fresh vegetables were in short supply or ‘home’ became a difficult place to find. Oh, it’s also popular because they just love making (and drinking) vodka.

Today, it’s a pure Polish passion simply because those mouldy delights their grannies taught them how to make, although no longer necessary, are still damn delicious. Every family have their own secret recipes and in every home you will find shelves stocked with jars and tubs both expectantly empty and fabulously full.

Which fermented products should you try in Poland?

Vodka? Or perhaps some herbal vodka? Maybe you’d prefer some quince or hazelnut vodka? Some vodka with a side of vodka? Yes. Vodka. This drink needs no introduction and we highly recommend that you try as many of the ever growing number of flavours as you can. The best are the truly homemade; clear, lemon and cherry being the most popular. Cures all illnesses, helps women get pregnant, encourages dancing, makes you smarter and helps you to write articles about fermentation.

All different kinds of vegetables are regularly the victims of drowning in Polish jars, but when they emerge after a certain amount of time (at the discretion of the fermenter), they emerge as butterflies. Tangy and succulent, flavoured with everything from oak leaves to Grandad’s ashes.

These are the most common:

  • Cucumber (ogorki kiszone) - A staple side to every meal and the juice, packed with vitamins, is used as a hangover cure.  
  • Cabbage (kapusta kiszone) - The leaves are often stuffed with meat and groats to make ‘golabki’, it’s also a common side dish when braised.   
  • Mushrooms (grzyb kiszone) - Polish people are as wild about foraging for mushrooms as they are about fermenting so it’s no surprise that you’ll find these guys trapped in jars as well.

Another fabulous fermented food that Polish people cannot live without is, one of the world’s greatest inventions, a round of applause for... Cheese :)

Here are some of the most popular Polish Cheeses:

  • Oscypek- A local sheep’s milk cheese from the Tatra mountains, it can be smoked (not like tobacco though), grilled or used to beat adulterous mountain husbands with. It’s bloody delicious and covered in beautiful geometric patterns.  
  • Bundz - A soft and creamy sheep milk cheese traditionally produced in Podhale. A drink called żętyca is made from the whey leftover from bundz making.
  • Bryndza - Just old bundz with salt added
  • Twaróg - Probably the most common cheese, you’ll find these crumbly white friends on every corner. Probably because it’s super easy to make -  literally just heat up that old smelly milk in your fridge, strain it and alakazam you’ve got Twarog. 
  • Serek Wiejski - This ‘cottage cheese’ is also super common and you’ve probably never seen cottage cheese like this before. Tiny little squishy pebbles of white cheesy goodness swimming around in a pool of white cheesy liquid. Weird but awesome. 
  • Koryciński - A hard yellow cheese named after Korycin, a town in eastern Poland. The oldest yellow Polish cheese, apparently (but we’ve heard Oscypek gets botox and she’s lying about her age).

Last on the list, we have good old belly warming Zurek! The best and most delicious soup ever to have graced a bowl, it’s made of soured rye flour and is definitely reppin’ the fermented crew. Eaten by the bucketful, it’s often filled with bits of kielbasa, potato and egg. 

We hope you've enjoyed learning a something about this mouldy method, there are loads more fun fermentation foods and facts but we’re gonna have to leave it here for now.
If you want to celebrate Fermentation Day the Polish way, then we highly encourage you to make your own Ogorki Kiszone at home or join Eataway’s Fantastic Fermenting Workshop and learn how to ferment your foods, your family and your friends. 



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