Portuguese · Seafood
Portuguese fish stew (Caldeirada de peixe)
About this recipe
Portuguese cooking is fundamentally a seafood and pork tradition, with bacalhau (salt cod) appearing in hundreds of forms, alongside Mediterranean staples — olive oil, garlic, tomato, sweet paprika — applied differently than in Spain.
As a seafood dish, Portuguese fish stew (Caldeirada de peixe) demands timing precision: the difference between perfect and overcooked is often less than 90 seconds, and the result of overshooting is a textural penalty there's no fixing.
Use the scaler above to set the number of servings you actually want to cook — quantities resize with culinary fractions, units promote sensibly (three teaspoons become a tablespoon), and the result reads like the recipe was written for your table.
Recipe data is sourced from TheMealDB's open community database; ScaleRecipe handles the curation, the scaling math, the editorial commentary, and the conversion utilities woven into each page.
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Method
- STEP 1
- Heat a drizzle of oil in a large, deep-sided frying pan, and fry the onion and pepper on a medium heat until softened but not browned. Finely chop the coriander stalks (keep the leaves for later), and add to the pan with the chilli and chopped garlic. Fry for another few minutes. Add the wine, saffron and bay leaf and let it simmer until reduced by half.
- STEP 2
- Add the potatoes, tomatoes, and 300ml water and bring to a gentle boil. Break up the tomatoes with a spoon on the side of the pan and simmer for 20-25 minutes until the potatoes are just tender, and the tomatoes have broken down.
- STEP 3
- Season well, then gently push the fish into the sauce, and arrange the squid, prawns, clams and mussels on the surface. Put the lid on and cook for 6-8 minutes until the mussel and clam shells have opened, the prawns are cooked and the fish is flaky. Toast the bread, rub lightly with the halved garlic clove and drizzle with olive oil. Serve the stew scatted with chopped coriander leaves, and the toasts for dunking.
Cooking notes
Scaling works best when you weigh ingredients rather than measure by volume — small differences in packing can compound at higher multipliers.
For volume-to-weight conversions of any ingredient — flour, sugar, butter, salts — use the ingredient converter. To translate the recipe's oven temperature between °C, °F and gas mark, see the temperature converter.
When you scale this recipe up or down, remember that cooking time does not scale linearly. A doubled cake takes longer, but not twice as long; a doubled soup takes roughly twice as long. The cooking-time guide gives sensible starting estimates by dish geometry.
Scaling notes
Scaling Portuguese fish stew (Caldeirada de peixe)
Portuguese fish stew (Caldeirada de peixe) is written for around four servings as it stands on this page — scaling it up for a party or down for a meal-for-one is the small math problem most home cooks face every week. Here's how this particular dish responds to scaling, what changes linearly, and what doesn't.
Seafood is the most scaling-sensitive protein because the overcooking window is narrow and the penalty is steep. Scale Portuguese fish stew (Caldeirada de peixe) per piece if you can — cook three fillets in two batches rather than crowd the pan into one. Sauce-based seafood dishes scale linearly, but always taste before adding more salt: brininess from the seafood itself doesn't scale predictably.
Skip the math entirely — ScaleRecipe's scaler rewrites every ingredient line above with proper culinary fractions and smart unit promotion the moment you change the serving count. Open the scaler →
Beyond the recipe
Substitutions & make-ahead — Portuguese fish stew (Caldeirada de peixe)
Two things home cooks ask about most when they're outside the recipe's exact assumptions: what swaps work for which ingredients, and how the dish behaves when you make it ahead. Both depend on what Portuguese fish stew (Caldeirada de peixe) is doing structurally — here's the practical version.
Substitution ideas
Cooking wine
Broth + 1 tbsp white wine vinegar or lemon juice per cup reproduces the acidic backbone. White grape juice for white-wine recipes; pomegranate or red grape juice for red. Non-alcoholic wines work directly but flavour varies wildly between brands — taste before committing.
For weight-based swaps and arbitrary quantities, the ingredient density converter and the cup-to-grams chart cover most pantry staples.
Make-ahead and storage
Seafood is the worst-tempered category for make-ahead — texture and flavour both degrade quickly after cooking. Portuguese fish stew (Caldeirada de peixe) should ideally be cooked the day it's served. If a make-ahead is unavoidable, prep components (the sauce, marinade, vegetables, garnishes) the day before and cook the fish or shellfish at the last moment. Cooked seafood develops a pronounced fishy off-flavour within 24 hours even when properly refrigerated.
Recipe video
Portuguese fish stew (Caldeirada de peixe)
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Volume
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OpenWeight
Grams, ounces, pounds, kilograms — exact for any ingredient, plus the volume-to-weight conversions for ~40 pantry staples.
OpenTemperature
Fahrenheit, Celsius, gas mark — translate any oven temperature, with notes on conventional vs convection.
OpenCooking time
The cube-root rule for scaling up, the differences between meat / cake / soup geometry, and sensible starting estimates.
OpenPan size
9-inch round vs 8-inch square vs 13×9. The math is surface area, not diameter — and the converter shows you both.
OpenLength
Inches and centimetres — for when a recipe says “cut into 1-inch pieces” and your ruler is metric.
OpenIngredient density
A cup of flour weighs 120 g; a cup of honey weighs 340. The full table of ~40 staples, with sources.
OpenOpen in main scaler
Edit the recipe text, scale by serving count, and copy the result. Same parser as the in-page scaler, more room to work.
OpenFrom the journal
Original essays on the small details.
The why behind the technique — original writing on the ingredient and equipment choices that separate a good cook from a frustrated one.
Reading a recipe like a chef
The 30-or-so recipe terms that show up most often, decoded
Read essayMay 4, 2026
Cooking for one — scaling principles
The math, the practical realities, and the recipes designed for one from the start
Read essayMay 4, 2026
How long do leftovers actually last?
Beyond the USDA's 3–4 days: the variables that actually determine the safe window
Read essayMay 4, 2026
Go deeper
Where this recipe sits in the wider tradition.
Each guide below is a real essay on the cuisine or the category — pillars, staples, techniques worth learning — paired with a curated grid of recipes filed under it.
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