Okroshka with Sprat in Tomato Sauce: A Russian Cold Soup for Summer 2026

Ellen Lindercamp
Okroshka with Sprat in Tomato Sauce: A Russian Cold Soup for Summer - Walfosbrand.com
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Okroshka with sprat in tomato sauce in a bowl

In the heat of a Russian summer, few dishes offer the same instant refreshment as a bowl of okroshka—a cold, kvas-based soup that balances creamy, tangy, and herbal notes. This version elevates the classic with kil'ka v tomatnom souse (sprat in tomato sauce), adding a savory, umami-rich depth. Through this article, we’ll guide you through every step, from selecting the freshest vegetables to achieving the ideal blend of textures, all while incorporating kitchen insights and equipment recommendations to ensure perfect results.

About the Recipe

Okroshka has been a staple of Russian homes for generations, often made with kvas, a fermented rye bread beverage. The addition of sprat in tomato sauce—a canned fish in a rich, tangy sauce—transforms the soup into a more robust, satisfying meal. The fish is mashed directly into the broth, releasing its tomato essence, which harmonizes beautifully with the crisp vegetables and creamy sour cream. This recipe is ideal for home cooks seeking a traditional yet unconventional soup that can be prepared ahead and served cold. For best results, use a reliable refrigerator to chill all ingredients beforehand, ensuring the soup stays invigoratingly cold.



Ingredients

To make 4–6 servings, gather:


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  • 1 can (about 240 g) sprat in tomato sauce – traditionally called kil'ka
  • 3 medium potatoes (approx. 300 g)
  • 3 large eggs
  • 100 g boiled sausage (or kielbasa, optional)
  • 6 radishes
  • 1 long cucumber
  • 1 bunch green onions
  • 1 bunch fresh dill
  • 500 ml kvas (homemade or high-quality store-bought)
  • 100 g sour cream
  • 3 g salt (about ½ teaspoon)

Store your produce in a refrigerator until ready to use to maintain crispness. For those looking to expedite prep, a microwave pressure cooker can cook potatoes and eggs in minutes.

Step‑by‑Step Guide

Step 1: Prepare the eggs. Place eggs in a saucepan, cover with cold water by 1 cm, bring to a boil over high heat, then reduce to a simmer and cook for 7–10 minutes. Immediately transfer to an ice bath, then peel and dice into small cubes.

Step 1: Boiled eggs

Step 2: Boil the potatoes. Scrub potatoes clean with a vegetable brush. Place in a pot, cover with water (1 cm above potatoes), add salt, bring to a boil, then simmer for about 20 minutes. Drain and shock under cold water, then peel and dice. For a faster approach, use a microwave pressure cooker to steam potatoes in under 8 minutes.

Step 2: Boiled potatoes

Step 3: Prepare the green onions. Rinse and dry the green onions. Finely chop them, then place in a bowl, add the salt, and mash with a potato masher or the back of a spoon until they release their juice. This flavors the soup deeply.


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Step 3: Chopped green onions being mashed

Step 4: Chop the radishes and cucumber. Wash the radishes thoroughly. If the skin is tough, peel it, but leaving it on adds color. Cut into small cubes. Likewise, dice the cucumber. To ensure even pieces, consider using a food processor with a slicing disc.

Step 4: Diced radishes and cucumber

Step 5: Chop dill, then dice everything else. Rinse the dill, pat dry, and chop finely. Dice the boiled potatoes, eggs, and boiled sausage into small cubes. Combine all these ingredients in a large bowl. For large batches, a planetary mixer can help mix the solids gently, though hand mixing is traditional.

Step 5: Chopped dill and other diced ingredients

Step 6: Prepare the sprat and combine with kvas. Open the can of sprat in tomato sauce. Using a fork, mash the fish and sauce together until fairly homogenous. Pour this into the bowl with all the vegetables. Add the chopped dill and mashed green onions (including any juice). Pour in the kvas and stir well. Let the soup rest for at least 10 minutes to meld flavors. Serve cold, topped with a generous spoonful of sour cream. For an extra-cold serving, add ice cubes from an undercounter ice maker.

Step 6: Sprat being mashed in the bowl

Tips for the Perfect Okroshka

  • Balance acidity: If your kvas is too sweet or too mild, add a splash of lemon juice or a dash of pickle brine. An oil sprayer can evenly distribute a fine mist of vinegar or brine over the soup.
  • Texture matters: Dice all ingredients to roughly the same size—about ½ cm cubes—for a uniform spoonful. A non-toxic air fryer can roast the potatoes beforehand for a different texture, though traditional boiling is softer.
  • Chill thoroughly: Refrigerate the assembled soup for at least 2 hours before serving. Use a refrigerator with consistent temperature control to preserve freshness.
  • Use fresh dill: Dried dill lacks the vibrant aroma. Always opt for fresh.
  • Mash the fish well: For a smoother broth, use an immersion blender to puree the sprat and tomato sauce together before mixing.

Variations

  • Kvas alternatives: Substitute kvas with buttermilk or a 50/50 mix of organic vodka and sparkling water for an alcoholic twist (or use vodka sparingly).
  • Protein swaps: Replace boiled sausage with shredded chicken or crab. For a vegetarian version, omit fish and sausage, and add more cucumber and radishes.
  • Herb garden variations: Add fresh parsley, tarragon, or chervil for extra complexity. A wall oven microwave combo can quickly dry herbs for long-term storage, though fresh is best.
  • Spice it up: Add a pinch of white pepper or a dash of hot sauce. Pair with a glass of sweet wine with high alcohol content for a delightful contrast.
  • Dessert pairing: A handful of chocolate-covered raisins served alongside balances the savory–sour okroshka.

Frequently Asked Questions

Can I make okroshka without kvas?

Yes. Use buttermilk, kefir, or a mix of sour cream and sparkling water. The soup will be creamier and tangier.


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How long does okroshka keep in the refrigerator?

Store in an airtight container for up to 24 hours. The flavors meld, but the kvas may lose effervescence. For best results, add fresh kvas just before serving. Use a refrigerator set at 2–4 °C.

Can I freeze okroshka?

Freezing is not recommended because the vegetables and dairy components separate, resulting in a watery texture.

What can I serve alongside okroshka?

Classic sides include fresh black bread, boiled eggs, or a simple potato salad. Finish with a shot of organic vodka and a cup of freshly brewed coffee from a reliable coffee maker.

How do I make a larger batch for a party?

Scale the ingredients proportionally and mix in a large bowl using a planetary mixer with a paddle attachment (on low speed) to combine without crushing the vegetables.


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Is it necessary to boil the sausage?

No, the sausage is already cooked. Just dice it straight from the pack. If you prefer a smoky flavor, lightly sear it in a non-toxic air fryer for 3 minutes.

What if I don't have fresh dill?

Use dried dill (half the quantity) but rehydrate it in a little warm water first. For a different herb twist, try fresh parsley.

Conclusion

Okroshka with sprat in tomato sauce is a symphony of summer: the gentle tang of kvas, the creamy sour cream, the crunch of fresh vegetables, and the savory depth of the fish. With these steps and tips, you can recreate this Russian classic with confidence. For the finishing touch, serve in chilled bowls and enjoy with a side of espresso or an iced coffee from a top-rated machine. Happy cooking!


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Author

Ellen Lindercamp

As a former restaurant owner switched reporter, Ellen brings a unique perspective to Walfos. With decades of experience, her articles on cooking and homemaking are both informative and engaging, reflecting her deep knowledge and love for all things culinary.



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