Borș pescăresc lipovenesc (Lipovan Danube Delta fish soup)

Borș pescăresc lipovenesc is a Lipovan fish sour soup associated with Dobrogea and the Danube Delta. Local accounts describe it as a practical fishers’ dish built around freshwater fish, a modest amount of vegetables and a souring liquid. The fish may be served with the broth rather than broken into it, and lovage is a familiar finishing herb. There is no single fixed formula across the region: fish species, potatoes, tomatoes and the choice of souring liquid vary. This measured home version uses carp and catfish, potatoes, carrot, pepper, tomato and fermented wheat-bran borș. It preserves the dish’s identity without presenting these exact ratios as a universal Lipovan standard.

The Romanian word borș can refer to a sour soup and to the fermented bran liquid used to sour it. Here, the ingredient list names fermented wheat-bran borș explicitly. Other documented Delta recipes use vinegar or another souring method, so this choice is one source-backed variation. Bringing the measured borș to a boil separately before it enters the soup keeps its role clear and follows a documented contemporary method. Do not replace it with an unmeasured squeeze of lemon or extra vinegar; those would change this locked version.

A combination of fish can give the broth more than one flavor and texture. Carp and catfish are selected here as a practical mix of freshwater fish recorded in regional accounts. The recipe uses heads, frames and trimmings to make a short stock, then strains them out before the vegetables are added. This adds fish flavor while keeping small bones out of the serving broth. Ask the fishmonger to clean the fish and portion the flesh if needed, but keep the heads and frames for the stock. Remove the gills before simmering because they can make the broth bitter.

Keep the raw fish cold while preparing the vegetables. Once the heads and frames enter the cold water, bring the pot up slowly and maintain a gentle simmer for 25 minutes. A hard boil can break up the fish and make straining less tidy. Skim foam from the surface as it appears. After straining into a clean pot, add onion, carrot, potatoes and pepper; cook until the potatoes are nearly tender before adding the acidic borș and tomatoes. This order gives the firm vegetables time to cook and keeps the fish portions from simmering too long.

Lower the chilled fish portions into the soup only after the vegetables have softened. Avoid stirring with a spoon, which can break the pieces; gently shift the pot if needed. The 8–12 minute fish interval is an estimate because thickness varies. Check the center of the thickest portion with a clean food thermometer and confirm it reaches 63 °C / 145 °F. Opaque flesh that separates easily is a useful quality cue, but it does not replace the temperature check. The thermometer is included because this step needs a reliable fish-safety check.

Lovage goes in after the pot leaves the heat. Its celery-like, herbal aroma is prominent in many Romanian fish soups and complements the sour broth. Cover the pot for a 10-minute rest, then serve the fish and vegetables with the broth. Some Delta serving traditions present the fish separately from the soup liquid; the portions can be lifted into shallow bowls with vegetables, with broth ladled alongside. This recipe does not add an unlisted garnish or side dish.

Regional fish-soup descriptions do not agree on a single list of vegetables. Some include potatoes, onion and pepper, with tomatoes added near the end; others use fewer vegetables. Souring may come from fermented bran borș, vinegar or another local ingredient. The recipe here combines documented elements into a repeatable four-serving home version. Its exact quantities, cooking intervals and carp-catfish ratio are editorial measurements, not historic measurements or a claim that all Lipovans prepare the soup this way.

The preparation estimate includes cleaning and portioning the fish and cutting the vegetables. The cook time includes the stock simmer, vegetable cooking, separately boiled borș, brief fish simmer and rest. Keep raw fish, its packaging and tools separate from the cooked soup. Wash hands and clean the work surface, knife and board after fish preparation. Refrigerate cooked leftovers in shallow covered containers within two hours, use them within three to four days, and reheat to 74 °C / 165 °F. Keep uncooked fish refrigerated at or below 4 °C until cooking.