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Cod tripe—known in Catalan as tripes de bacallà—is one of those specialties that separates those who know the product from those who only buy loin. It is the most gelatinous part of the fish, rich in collagen, which, when cooked slowly, develops a mellow, unctuous texture impossible to replicate with any other cut. At Mercat del Ninot in Barcelona, we have been selecting these pieces since 1990, because we know that a good vigil stew or Lenten stew starts with the raw material. In this collection you will find tripe and salted cod specialties of selected origin, ideal for traditional Catalan and Basque stews. Below we explain what they are exactly, how they are cooked, why their texture is so appreciated, and how to store them for maximum yield.
What is cod tripe (tripes de bacallà)
Cod tripe is not offal in the meaty sense of the term, as is the case with beef tripe. It refers to the gelatinous parts of the fish—mainly the thick skin, the swim bladder (the cocochas from the ventral area in some preparations), and trimmings rich in connective tissue—which were traditionally utilized in humble coastal kitchens. In Catalan, they are called tripes de bacallà, and in Basque, they are an integral part of the most deeply rooted recipes in the Basque Country. Their value lies not in the lean meat, but in their ability to gelatinize when cooked, adding body and unctuousness to stews.
Cod tripe: the most coveted gelatinous part
Cod tripe is the inner membrane of the fish, a thin and elastic piece that, once desalted and cooked, becomes tender and absorbs the flavors of the stew like few other parts of the animal. It is a product of utilization that haute cuisine has reclaimed in recent years precisely for its texture: neither hard nor soft, but with that gelatinous point that defines a well-executed traditional dish. Those who seek cod tripe usually know exactly what they want: a stew with character, without shortcuts.
Collagen and why gelatinous texture matters
The magic of cod tripe lies in its collagen. This connective tissue, when subjected to slow and prolonged cooking, transforms into gelatin, which gives the stew that mellow texture and natural binding in the sauce without the need for flour or artificial thickeners. It's the same principle that governs beef tripe or pig's trotters: well-worked collagen turns a humble cut into a top-tier dish. That's why these pieces require time and gentle heat, never haste.
Traditional use: vigil stew and Lenten stews
The most deeply rooted use of cod tripe is in potaje de vigilia, the quintessential Lenten dish in much of Spain. During days of meat abstinence, salted cod was—and still is—the protein of choice, and its gelatinous parts elevated a simple chickpea and spinach stew to a festive category. The Catholic tradition of not eating meat on certain dates made cod a star of Lenten cuisine, and cod tripe was the ingredient that brought substance and richness to these legume stews.
Catalan and Basque tradition of cod tripe
Catalonia and the Basque Country are the two great schools for cod tripe on the peninsula. In Catalan cuisine, tripes de bacallà are cooked with a soffritto, tomato, and often chickpeas, in line with the Lenten dishes of the Mediterranean. In the Basque tradition, cod tripe is prepared in sauce, sometimes with a touch of chili or choricero pepper, in hearty stews that reflect the culture of total fish utilization. Both schools share one idea: nothing from the cod goes to waste, and the gelatinous parts are as valuable as the loin.
How to desalt cod tripe
Like all salted cod, tripe needs a desalting process before cooking. As these pieces are thinner than a thick loin, the desalting time is shorter: generally, 24 to 36 hours in cold water in the refrigerator is sufficient, changing the water every 6-8 hours. The goal is to remove excess salt without losing its characteristic flavor. It is advisable to taste a small piece before cooking to adjust the salt level. Proper desalting is the difference between a balanced stew and an inedible one.
How to cook it: slow cooking is the key
Once desalted, cod tripe requires slow and prolonged cooking. It is usually blanched for a few minutes first and then incorporated into a chickpea stew, a sofrito sauce, or a spinach stew, where it simmers over low heat until the gelatin is released and thickens the sauce. There's no need to rush: half an hour or more of simmering is what transforms the initial firm texture into that lusciousness that defines the dish. It's a cuisine of patience, designed to rest and improve from one day to the next.
Quality and origin of our specialties
Not all cod tripe is created equal. Quality depends on the origin of the fish and the salting process. At Bacalalo, we select specialties from North Atlantic cod (Gadus morhua), cured with traditional methods that respect the salt point and texture. We look for pieces with good tripe thickness and a clean color, free of stains or strange odors, signs of proper curing. As with all our catalog, we prioritize the product over the claim: there are verifiable factors—origin, species, curing point—that distinguish a gourmet specialty from any subproduct.
Storage of cod tripe
Salted cod, including its specialties, is stored refrigerated until use. Once at home, keep it in the lower part of the refrigerator, well covered, and consume it within its recommended date. After desalting, the product should be treated as fresh fish: cook it within 24-48 hours or freeze it. If you choose to freeze desalted cod, do so in portions and well wrapped to prevent freezer burn; it will last several months without losing quality. Never refreeze a product that has already been thawed.
Refrigerated shipping throughout Spain
We ship our cod specialties under controlled cold conditions so that they arrive in perfect condition anywhere on the peninsula. We prepare orders with isothermal packaging when the product requires it, so you receive the same quality at home that you would find at our stand in the Mercat del Ninot. Since 1990, we have worked with cod with discernment, not slogans: if you buy cod tripe from Bacalalo, you are buying market-quality product with real traceability.
Guides and recipes
- Cod Tripe: The Traditional Basque Recipe Step-by-Step
- Chickpea Stew with Cod Tripe: Complete Recipe
- Chickpea Stew with Cod Tripe and Spinach
- How to Desalt Cod: The Definitive Method (30 min, 2h, 4h, and 24h)
- What is Lent and Why is Meat Not Eaten
- How to Freeze Desalted Cod: Duration and Method
Also explore our collections of desalted cod, shredded cod, and prepared dishes to complete your purchase.
Frequently Asked Questions about Offal and Cod Specialties
Although all are gelatinous parts of the cod, each has specific characteristics and uses:
Cod tripe : These are the internal parts of the fish, firm in texture, slightly cartilaginous, and very rich in gelatin. Perfect for stews with rich sauces like Biscayne, with chickpeas, or in hearty soups. They add body and richness to broths.
Cod tripe : thinner, particularly gelatinous flakes with a silky texture when cooked. Ideal for smooth, creamy soups, green sauce with garlic and parsley, or stews where you're looking for that characteristic unctuous texture. It's the most delicate of the three.
Cod skins : very rich in natural collagen, they are mainly used in stocks that need body, creamy seafood rice dishes, or even, when dehydrated and fried, they become crispy, crusty chips. They are the secret to many professional stocks.
All three share the characteristic of being traditionally used, economical, nutritious and fundamental products in Galician, Basque, Portuguese and Andalusian stews.
Cod heads are the secret ingredient in the finest seafood broths and soups . They are not eaten directly, but rather used to extract all their flavor and gelatin.
Main uses :
Base broths : simmered for 45-60 minutes, they release an impressive amount of natural gelatin and a deep marine flavor. This broth becomes the base for rice dishes, fideuàs, fish soups, potato stews, or legume dishes.
Seafood soups : Portuguese cod soup uses cod head as a key ingredient. It is cooked with potatoes, onions, garlic, and paprika.
Rice dishes and stews : cod head broth transforms a simple rice dish into a restaurant-quality dish with body and a marine flavor.
How to use it : first desalinate it (like any dried cod), then cook it with aromatic vegetables (onion, leek, carrot, bay leaf), strain the broth and you have liquid gold for your recipes.
It's a very inexpensive cut of meat that makes a huge difference in stews and soups. Professional chefs always keep cod heads in their pantry.
Cod foie gras (smoked cod liver) is a true seafood delicacy , highly appreciated in Nordic countries and increasingly popular in Spanish gourmet cuisine.
Characteristics : smooth and creamy texture similar to pâté, intense smoked cod flavor with hints of liver, characteristic color between beige and pink, and extreme richness in omega-3 and vitamins A and D.
How to serve it :
On toast : on crispy toasted bread, this is the most classic and delicious way to enjoy it. Spread it generously, like you would with pâté.
With pickles : combine it with gherkins, pickled onions or beets to balance the richness with acidity.
In gourmet canapés : with caramelized onions, roasted piquillo peppers, tomato or apple jam.
Straight from the can : purists eat it straight with a fork, savoring its creamy texture.
Pairing : full-bodied white wines, dry sparkling wines, craft beers or a mild aquavit-type spirit.
It's a highly nutritious product (rich in fat-soluble vitamins and essential fatty acids) but also intense, so it's best enjoyed in small quantities. For gourmets and lovers of bold seafood flavors.
The preparation varies depending on whether the products are dry or already soaked:
Calluses and dry skin :
- Desalt the same as any dried cod: very cold water in the refrigerator, changing every 8 hours, for 24-36 hours depending on thickness
- Taste for salt before cooking
- Simmer in your chosen stew until tender and gelatinous (45-60 minutes)
Tripe cooked to perfection (already soaked) :
- It comes ready to use straight away.
- You just need to adjust the cooking time in your recipe (usually 30-40 minutes)
- Cook over low heat so that they release all their gelatin without falling apart.
Important cooking tips :
- Always use low heat : high heat hardens these gelatinous parts
- Add the pieces at the beginning of the stew so that they release their gelatin into the broth.
- Don't stir too much, they're delicate.
- The perfect point is when they are tender but still hold their shape.
- The gelatin they release naturally thickens sauces without the need to add thickeners
Salt level : These pieces are usually quite salty, so adjust the salt in the stew by tasting it first. Often you won't need to add any extra salt.
Each region has its classic recipes with cod offal:
With cod tripe :
- Cod tripe with chickpeas (Andalusian style)
- Tripe Basque-style with chorizo peppers
- Cod tripe in green sauce
- Lenten stew with tripe and spinach
With cod tripe :
- Tripe in green sauce with garlic, parsley and peas
- Tripe stew with potatoes and onions
- Cod tripe in garlic sauce
- In soupy seafood rice dishes
With cod skins :
- Base broths for paellas and creamy rice dishes
- Fish soup with vegetables
- Potato stew with skins for a gelatinous texture
- Cod skin chips (dehydrated and fried, crispy like crackling)
With cod head :
- Portuguese cod broth
- Garlic soup with cod
- Base for seafood stews and rice dishes
- Head stew with vegetables
With cod foie gras :
- Toasts with caramelized onions
- Canapés with tomato jam
- On blinis with sour cream
- In gourmet salads
These are all traditional recipes that make the most of leftovers—economical, nutritious, and full of flavor. Grandma's cooking at its finest.
Very healthy , although with nuances depending on the part:
Tripe, intestines and skin :
- Very high content of natural collagen , excellent for joints, skin and connective tissues
- High-quality protein with low fat content
- Rich in gelatin , which promotes intestinal and joint health
- They provide minerals such as phosphorus, calcium and magnesium
- Virtually zero carbohydrates
Cod foie gras (liver) :
- Omega-3 in extraordinary quantities , beneficial for heart and brain
- Vitamin A (important for vision and immune system)
- Vitamin D (essential for bones and mood)
- B vitamins , especially B12
- But it's also high in cholesterol and very high in calories, so consume in moderation.
A note about salt : Dried salted products have a high sodium content. If you are monitoring your blood pressure, desalinate them well and adjust the salt in the stew accordingly.
Nutritional benefits :
- They are whole and natural products, without industrial processing
- Collagen and gelatin are trending in modern nutrition (bone broths, collagen supplements)
- Ideal for keto, paleo, and low-carb diets
- Economical and nutritious, smart resourceful cooking
Perfect for athletes, seniors who need to take care of their joints, and anyone looking for quality protein in traditional one-pot meals.
Preservation varies depending on the type of product:
Dry products (dry calluses, dry skin, dry scalp) :
- Store them in a cool, dry, and well-ventilated place; refrigeration is not required.
- Once the package is opened, protect them from moisture.
- They can last for months in perfect condition
- After desalting, consume them within 24-48 hours or freeze them.
Products already soaked (casing ready) :
- Always refrigerated between 0-4°C
- Consume them within 48-72 hours of receiving them
- Keep them tightly closed and protected from the air
Canned cod foie gras :
- Before opening: store in a cool place, no refrigeration required, lasts for years
- Once opened: transfer to an airtight container, refrigerate and consume within 2-3 days
- Keep it covered in its oil to prevent rust.
To freeze :
- Tripe, intestines and skins can be frozen in portions once desalted.
- Freeze for up to 3 months
- Defrost in the refrigerator 12-24 hours before cooking
- Cod foie gras does not freeze well; it loses texture.
During shipping : we ship everything within 24-48 hours with thermal packaging and professional cold packs to ensure it arrives in perfect condition, especially products that have already been soaked and require a constant cold chain.
