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Fish Soup from Canned Sardines
Instructions
Lay out every ingredient before starting the cooking. Peel the potatoes, the onion, and the carrot, and rinse them under cool water. Have the can of sardines opened and the vermicelli measured out in a small dish so the recipe flows without interruption from prep to pot.
Cut the peeled potatoes into small even cubes. Smaller pieces cook through faster and distribute evenly throughout the broth; large chunks need significantly longer simmering and can throw off the timing of the rest of the soup ingredients in the pot.
Finely chop the peeled onion. Aim for very small even dice; large onion chunks can take longer to soften than the other vegetables and produce raw sharp bites in the finished soup that disrupt the otherwise gentle flavor profile.
Cut the carrot into thin julienne strips with a sharp knife or grate it on the coarse side of a vegetable grater. Either preparation works equally well in the soup; julienne strips give a more elegant restaurant-style appearance, while grated carrot melts more thoroughly into the broth for a silkier final texture.
Bring about two litres of water to a boil in a roomy pot. Add the cubed potatoes, the chopped onion, and the prepared carrot all at once. Cook over medium heat until the vegetables reach the half-cooked stage, when a fork meets gentle resistance going into a potato cube but no firm core remains in the centre.
Add the canned sardines to the pot, breaking up any large pieces gently with a wooden spoon. Pour in the oil from the can too because it carries concentrated fish flavor that enriches the broth significantly. Season with salt, black ground pepper (or any other warming spices you enjoy), and toss in the bay leaf for aromatic depth. Cook for a few more minutes to let the flavors meld together properly.
Add the vermicelli last because it cooks through very quickly. Add it only when all the other vegetables are already tender and the soup has only a couple of minutes of bubbling left. Taste the broth carefully and adjust the salt level if needed; canned sardines vary widely in their salt content, so some batches may need additional seasoning while others are already perfectly balanced.
At the very end of cooking, scatter finely chopped fresh herbs across the surface of the soup. Stir them through gently, cover the pot with the lid, and remove from the heat. The herbs need only a minute or two of residual heat to release their oils into the broth without losing their bright fresh color.Delicious fish soup from canned sardines is ready to ladle into warm bowls. Serve straight away with crisp homemade croutons on the side or a slice of toasted bread spread with cream cheese for the most satisfying meal experience. Enjoy your meal alongside good company at the lunch table for a comforting midday break from the workday rhythm.
Tips
- 1
Pour the oil from the sardine can into the soup along with the fish itself rather than draining it away. The flavored oil carries concentrated fish notes that enrich the broth significantly and contributes to the satisfying mouth-feel of the finished soup. Tinned fish in oil generally produces a richer, more flavorful soup than fish in water; if a brand only offers a water-packed version, drain it well and add a tablespoon of olive oil to compensate for the missing flavor base.
- 2
Add a small spoonful of tomato paste to the soup along with the sardines for extra depth and a slightly more substantial broth. Just a teaspoon transforms the flavor profile noticeably and adds a beautiful warm color to the finished bowl. The tomato note pairs beautifully with the smoky sardines without competing with them for the leading role. For a related lighter weeknight soup, see the comforting wild garlic and egg soup.
- 3
Choose vermicelli specifically rather than substituting longer pasta shapes. Vermicelli cooks in two to three minutes and integrates beautifully into the soup without dominating any single spoonful. Longer pasta shapes like spaghetti or fettuccine require longer cooking and produce awkward strands that wrap around the spoon during eating. If you cannot find vermicelli, substitute orzo, ditalini, or any other small pasta shape that cooks quickly and stays small enough for easy spoon-eating from the bowl.
- 4
Crush a single garlic clove and add it to the soup in the final minute of cooking for a subtle aromatic lift. The garlic releases its flavor into the broth without becoming sharp or bitter the way long-simmered garlic sometimes does. The technique works in any clear soup recipe, not just this one. Pair the finished soup with a savory side like the comforting savory cabbage pie with kefir for a complete lunch meal.
FAQ
Can I substitute the canned sardines with another type of canned fish? +
Yes, several alternatives work beautifully in this versatile soup. Canned saury produces an even richer broth with its oilier flesh and is the second most popular choice in Russian home cooking. Canned mackerel offers a stronger, more pronounced fish flavor that pairs particularly well with the potatoes and carrots. Canned tuna in oil makes a milder version that suits diners who prefer less assertive fish flavor. Smoked herring fillets in oil add a beautiful smoky dimension that lifts the soup into more sophisticated territory. Whichever fish you choose, look for the oil-packed variety for the best flavor base.
How long does the soup keep in the refrigerator? +
The soup keeps well for up to three days in a covered container. The vermicelli continues to absorb broth and swells during storage; if the soup looks too thick, thin it with hot water when reheating. Reheat gently on the stovetop over medium heat, stirring occasionally; avoid the microwave because it heats unevenly. The flavors actually deepen and improve with a day or two of resting, making the leftovers in some ways better than the fresh-made original.
Can I make this soup without vermicelli for a lower-carb version? +
Yes, the soup works perfectly well without any thickening agent at all. Skip the vermicelli entirely for a lighter, more broth-forward soup that suits warm weather or lower-carb meal plans. For a satisfying middle-ground version, replace the vermicelli with cauliflower rice, lightly sautéed and added in the final two minutes of cooking. Diced zucchini also works as a low-carb thickener with a similar comforting feel to the original. The basic broth and fish flavors remain identical regardless of which thickening choice you make for any particular pot.
What can I serve alongside this soup for a complete meal? +
Several side dishes complement the canned sardine fish soup beautifully. Homemade croutons toasted from day-old bread provide essential crunchy contrast and absorb the delicious broth. A simple green salad dressed with lemon vinaigrette adds welcome freshness. Slices of dark rye bread or rustic sourdough offer a hearty platform for spreading butter or cream cheese. A small dish of pickled vegetables like cornichons, marinated mushrooms, or sauerkraut delivers tangy crunch that balances the rich fish broth. For drinks, a crisp lager or white wine pairs nicely with the seafood; strong black tea works as a non-alcoholic alternative.
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