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Brine Soup with Beans and Pickled Cucumbers – Classic Recipe
Instructions
As mentioned above, various cereals and legumes that need to be pre-boiled are added to the pickle soup. We are using beans for this version, which give the soup a hearty, creamy character without the long cook time of pearl barley.
Soak the beans in cold water and leave them for two hours. Soaking shortens the cook time, makes the beans easier to digest, and helps them keep their shape during the final boil. Skipping this step almost always leaves the beans tough at the center.
Then rinse the beans in clean water and boil until cooked without salt. Our beans took forty minutes to reach the proper soft, creamy texture. Adding salt at the boiling stage toughens the skins, so reserve the seasoning for later in the recipe.
Various offal is also traditional in pickle soup; this can be chicken heart, gizzards, or pork kidney. We chose a pork kidney for its rich flavor and traditional connection to the dish, the way generations of Russian cooks have made it for centuries.
Cut the kidney lengthwise, remove everything unnecessary, and rinse it well. The kidney can be soaked in water for some time, or boiled several times with the water changed between rounds. We chose the second option. Pour clean water over the kidney, bring to a boil, and cook for five to ten minutes. Discard the water, wash the kidney and the pot. Repeat once more for ten minutes, then drain again.
After these actions, the kidney loses its specific smell and is ready to be used further.
Now cut the kidney into strips or medium cubes. Uniform pieces cook evenly and look attractive in the finished bowl. Aim for sizes similar to the diced potatoes you will add later, so every spoonful carries a little of everything.
Move on to the main ingredient for the broth. Chop half of the chicken into portions, pour two liters of clean water over it, and let it boil. Skim the foam, add a piece of carrot and part of the onion. Set the temperature below medium, salt and pepper, and cook a delicious chicken broth.
The remaining onion is cut into medium cubes and sautéed in a pan with vegetable oil until golden and translucent. The onion forms the aromatic base of the dressing that gives rassolnik its rich, layered flavor.
Prepare the carrot, pickled cucumbers, and potatoes. Lay them out together so you can move quickly through the next stages without searching for ingredients. Mise en place is what separates a smooth pot of soup from a stressful kitchen scramble.
Shred the carrot into fine strips and add it to the pan with the onion. Sauté the vegetables over medium heat. Cut the potatoes into cubes and immediately add them to the broth with the chicken. Add the boiled beans and kidneys as well. The pieces of onion and carrot used to flavor the broth can be removed at this stage.
The pickled cucumbers can be finely sliced into strips or cubes, but to cook them faster, they can be grated. Add the cucumbers to the pan and stew them with the vegetables. The salt and acid concentrate beautifully when cooked briefly with the sautéed onion and carrot.
When the cucumbers have become soft, add homemade sauce or tomato paste to the pan, plus salt and spices. The tomato builds depth and a touch of sweetness that balances the brine, while the spices begin to bloom in the warm fat.
Stew for five to ten minutes and add one or two ladles of cucumber brine. The brine can be replaced with chicken broth if you prefer a milder soup. Only now should the dressing be tasted, with sugar and salt added if necessary to balance the acidity.
Check the readiness of the potatoes in the pot. The dressing with cucumbers should only be added after the potatoes are completely cooked. Cucumbers give acidity, and the potatoes will turn out hard if added too early. Once the potatoes are fully done, combine all ingredients in the pot, add the bay leaf, and cook another ten minutes. Remove from heat and let it steep for about fifteen minutes.
The pickle soup with beans and pickled cucumbers is ready. Pour the soup into portioned plates, add a little fresh dill and a generous spoon of sour cream. Serve at the table with thick slices of dark rye bread alongside.
Tips
- 1
Use real lacto-fermented cucumbers, not vinegar pickles. The natural lactic-acid tang of brined cucumbers is what gives rassolnik its signature flavor; vinegar-pickled versions taste sharp and metallic in the soup. Look for cloudy brine and a soft fermented aroma when shopping. Crisp, clear-brine pickles are the wrong tool for this particular job.
- 2
Build a deeper broth by simmering the chicken bones for an hour before adding the meat back to the pot. The longer extraction pulls collagen and minerals from the bones, giving the soup a silky body. For a richer twist, replace half the chicken broth with beef broth. The same trick gives weight to a classic tomato paste-based dressing in other Russian soups.
- 3
Add the brine in stages and taste as you go. Different brands and homemade jars vary wildly in salt and sourness. Start with one ladle, taste, and only add more if the soup needs sharper acid. Over-salted rassolnik cannot be rescued; under-salted can always have more brine added at the table.
- 4
Let the soup rest at least fifteen minutes off the heat before serving, and ideally overnight in the fridge. The brine, beans, and broth need time to mingle, and rassolnik genuinely improves on day two. Reheat gently, never at a hard boil, to keep the kidneys tender. Serve with the same warm homemade bread that turns any soup into a meal.
FAQ
Can I make rassolnik vegetarian? +
Yes. Skip the chicken and kidney, build the broth from a mix of carrot, onion, celery, and a piece of dried mushroom for depth. Add an extra potato and a half cup more beans to compensate for the lost protein. The pickled cucumbers and brine are the soul of rassolnik, and they shine just as well in a meatless pot. Mushroom broth gives a surprisingly meaty richness.
What can I substitute for pork kidney? +
Beef kidney works similarly with the same boil-and-rinse treatment. Chicken hearts or gizzards are milder and need no pre-boiling, just a quick simmer in the broth. If offal is not your thing, replace it with a hundred grams of smoked sausage, sliced and added in the last ten minutes. The soup will lose some traditional character but gain smoky depth that many home cooks actually prefer.
Why did my rassolnik turn out too sour? +
You either used too much brine or your pickles were unusually acidic. To rescue an over-sour batch, add a peeled raw potato and simmer ten minutes — it absorbs some of the acid. A pinch of sugar also balances sharp brines. Next time, add brine one ladle at a time, tasting between additions. The soup should be tangy and bright, not eye-puckering.
Can I freeze pickle soup? +
Rassolnik freezes reasonably well, but the potatoes turn slightly grainy after thawing. For best results, freeze the soup before adding potatoes; cook fresh potatoes when reheating. Freeze in portion-sized containers for up to three months. Thaw overnight in the fridge and warm gently on the stove. The kidneys may toughen slightly, but the overall flavor stays excellent and the brine notes survive freezing well.
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