Greek Fisherman's Stew with Tomatoes and Seafood

Greek fisherman’s stew is a coastal-style one-pot meal of white fish simmered with potatoes, tomato, onion, olive oil, and herbs until the broth is savory and the fish is tender. Often associated with kakavia, it has many regional and family versions; this practical version uses easy-to-find ingredients and finishes with lemon and parsley.

Ingredients

2 lb (900 g) firm white fish fillets, such as cod, haddock, halibut, or pollock, skin removed and cut into large chunks
¼ cup (60 ml) extra-virgin olive oil
1 large yellow onion, about 8 oz (225 g), thinly sliced
3 garlic cloves, about 15 g, finely chopped
1 can diced tomatoes, 14.5 oz (411 g), including the juices
6 cups (1.4 L) fish stock or water
1½ lb (680 g) waxy potatoes, such as Yukon Gold or red potatoes, peeled if desired and cut into 1-inch (2.5 cm) pieces
1 dried bay leaf
1 tsp (1 g) dried oregano
1½ tsp (7.5 g) fine salt, plus more to taste
½ tsp (1 g) freshly ground black pepper
2 tbsp (30 ml) fresh lemon juice, from about 1 lemon
¼ cup (15 g) chopped fresh flat-leaf parsley
Crusty bread, for serving (optional)

Instructions

Prepare the ingredients, about 25 minutes. Cut the fish into pieces roughly 1½ to 2 inches (4 to 5 cm) across, checking for and removing any pin bones. Pat the pieces dry and keep them refrigerated while you prepare the vegetables. Slice the onion, chop the garlic, cut the potatoes, and measure the remaining ingredients. Keeping the fish cold until it is needed helps it stay in good condition while the potatoes cook.
Soften the onion, 8 minutes. Set a large, heavy pot or Dutch oven over medium heat and add the olive oil. When the oil shimmers, add the sliced onion and cook for about 8 minutes, stirring occasionally. Aim for soft, translucent onion rather than dark browning; browned onion can give the broth a sweeter, more roasted flavor than this gently simmered stew needs.
Build the broth, about 4 minutes. Stir in the garlic and cook for 30 seconds, just until fragrant. Add the diced tomatoes and their juices, stock or water, potatoes, bay leaf, oregano, salt, and pepper. Stir, raise the heat, and bring the liquid to a steady boil. If you are using water rather than stock, the stew will taste lighter, so plan to adjust the salt and lemon at the end.
Cook the potatoes, 20 minutes. Reduce the heat to maintain a gentle simmer, cover the pot with the lid slightly ajar, and cook for about 20 minutes. Stir once or twice carefully so the potatoes cook evenly without breaking apart. They should be nearly tender when pierced with a small knife, but not falling to pieces; the fish still needs to cook in the broth afterward.
Poach the fish, 8 to 10 minutes. Nestle the fish pieces into the simmering broth in a single layer as much as possible. Cover the pot and cook gently for 8 to 10 minutes, depending on the thickness of the pieces. Avoid vigorous boiling and frequent stirring, both of which can break up the fish. Check the thickest piece with a food thermometer: USDA FSIS guidance sets 145°F (63°C) as the safe minimum internal temperature for fish. The flesh should also look opaque and separate easily with a fork.
Finish and serve. Turn off the heat and remove the bay leaf. Stir in the lemon juice and parsley, then taste the broth and add more salt, pepper, or lemon if needed. If the broth tastes flat, a small squeeze of lemon often brightens it; if it tastes too sharp, let the pot stand for a minute and taste again before adding anything else. Ladle into warm bowls, making sure each serving gets fish, potatoes, and plenty of broth.

Tips

Choose fish that holds together. Cod, haddock, pollock, and halibut are convenient options, but their texture varies: cod is tender and flaky, while halibut is firmer. Avoid very thin fillets, which can overcook before the potatoes are ready. If your fish is frozen, thaw it in the refrigerator and pat it dry before cutting.
Use fish stock when available, but water works. A mild fish stock gives the broth more depth. If you cannot find it, use water rather than a strongly flavored stock that could compete with the fish. A small amount of extra salt and a final adjustment of lemon can make a water-based broth taste balanced.
Keep the simmer gentle. Once the fish goes in, the liquid should barely bubble. A rolling boil can make delicate pieces crumble and can leave the outside overcooked before the center reaches a safe temperature. Check one of the thickest pieces with a thermometer instead of relying on appearance alone.
Mind the potato size and the salt. Cut the potatoes into similar-sized pieces so they finish together. Stock can contain very different amounts of salt, so if yours is salted, begin with less than the listed amount and season the broth after the fish cooks.

Serving Suggestions

Serve the stew hot in wide bowls, with a piece of fish and several potatoes in every portion. Put crusty bread on the table for dipping into the tomato-and-olive-oil broth; toasted bread rubbed lightly with garlic is another good option. A simple green salad dressed with olive oil and vinegar adds crispness without competing with the stew. For a more substantial meal, serve the stew with boiled greens or a small plate of olives. Pass extra lemon wedges and chopped parsley separately so each person can adjust the brightness and herbal flavor at the table.

Variations

Add shellfish: For a mixed-seafood version, use 1 lb (450 g) of fish and add 1 lb (450 g) of scrubbed mussels or clams during the final 5 to 7 minutes of cooking. Cover the pot and cook until the shells open; discard any that remain closed. Shellfish release liquid and salt, so taste the broth before adding more seasoning. This variation cooks differently from the fish-only recipe, so check the fish for 145°F (63°C) and make sure the shellfish are cooked through.

Use other firm fish: Sea bass, hake, or another firm, mild white fish can replace the listed fillets. Very delicate fish may break up more readily, so add it in larger pieces and handle the pot gently. If using a thicker fish, allow a few additional minutes and use a thermometer to confirm 145°F (63°C) at the thickest point.

Make it more herb-forward or gently spicy: Add 1 tbsp (3 g) chopped fresh dill with the parsley, or add a pinch of red pepper flakes (about ⅛ tsp or 0.3 g) with the garlic. Dill gives the finished stew a fresh, grassy note; pepper flakes add a little heat without changing the basic tomato and fish broth. For a less tomato-forward broth, use 1 cup (240 ml) less canned tomato and replace it with the same amount of water.

Storage and Reheating

Cool leftovers promptly and refrigerate them within 2 hours of cooking in a covered, shallow container. The stew keeps for 3 to 4 days in the refrigerator. The fish will become more delicate as it sits, so transfer portions with a broad spoon rather than stirring the whole pot repeatedly. Freezing is possible for up to 2 months, but potatoes can turn grainy and the fish may become softer after thawing; for the best texture, freeze the broth and potatoes separately from freshly cooked fish when planning ahead.

Reheat only the portion you plan to eat, either in a covered saucepan over low heat or in a microwave-safe bowl, stirring carefully if needed. Heat leftovers to 165°F (74°C), checking with a food thermometer. If reheating on the stove, keep the heat low and avoid a hard boil, which can break the fish into small flakes. Add a splash of water if the broth has thickened, then taste and refresh with a little lemon or parsley after heating. Discard stew that has been left at room temperature for more than 2 hours.

Frequently Asked Questions

What fish is best for Greek fisherman’s stew?
Choose a firm or moderately firm white fish that can be cut into large pieces and poached without disappearing into the broth. Cod, haddock, pollock, and halibut all work; cod and pollock are usually more delicate, while halibut holds a firmer shape. Use fresh or properly thawed fish, and check the thickest piece with a thermometer for 145°F (63°C).

Can I make this stew with frozen fish?
Yes. Thaw the fish in the refrigerator before cooking, then pat it dry and cut it into even pieces. Adding frozen fillets directly to the pot can cool the broth and make it harder to judge cooking time. If the fish is still partly frozen, thaw it safely in a sealed bag under cold running water, then cook it promptly.

Can I make the stew ahead?
You can prepare the tomato and potato broth ahead and refrigerate it, covered, for up to 3 days. Reheat the broth until simmering, then add the fish and cook it just before serving, checking for 145°F (63°C). This approach gives you a fresher fish texture than cooking the entire stew in advance and reheating it.

Why did my fish fall apart?
Fish is naturally flaky, and small pieces, vigorous boiling, or repeated stirring make it more likely to break. Cut the fish into generous chunks, lower it into a gentle simmer, and leave it undisturbed while it cooks. Even if a few pieces flake, the stew will still taste good; serve it with a ladle that supports the fish rather than scooping and stirring.

Is Greek fisherman’s stew always made with tomatoes?
No single ingredient list represents every regional or household version. Recipes associated with kakavia vary, and some emphasize fish, water, olive oil, potatoes, and lemon without the tomato profile used here. This version includes canned tomato for an accessible, full-bodied broth; you can reduce or omit it, replacing the volume with water and adjusting the lemon and seasoning to taste.

How can I tell when the potatoes are ready before adding fish?
Pierce a potato piece with the tip of a small knife. It should be almost tender, with slight resistance in the center, because it will cook a little longer while the fish poaches. If the pieces are still firm, simmer the broth for a few more minutes before adding the fish so the seafood is not left cooking while the potatoes catch up.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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Greek Fisherman’s Stew with Tomatoes and Seafood