Octopus is one of those seafood delicacies that, when prepared properly, wins you over completely. Besides its distinctive flavor and unique texture, it offers a An interesting combination of quality proteins, minerals, and vitamins It is low in fat, making it ideal for a balanced diet.
In the following lines you will find everything you need to know: what are its real benefitsIts nutritional composition, how to choose and preserve it, the correct way to cook it so that it doesn't become chewy, how it differs from squid, and several easy recipe ideas to make the most of it at home. And yes, we'll also answer common questions like cooking time, which parts are edible, and what's true about the ink.
What type of meat is octopus?
The octopus is a meat cephalopod mollusk firm and fibrousmuch more so than other "cousins" like squid or cuttlefish. Therefore, to guarantee tenderness and a good bite, it is common to recommend specimens weighing 1 to 2 kgwhich are usually more pleasant in the mouth without losing flavor.
From a biological point of view, the common octopus (Octopus vulgaris) is a fascinating animal: it has eight arms with suction cups, three hearts, and blue blood due to the presence of hemocyanin (instead of hemoglobin). It possesses a great memory, highly developed eyesight, and an ink sac that used for defensewhich explains its ability to camouflage itself and escape predators.
The head (or mantle) houses the viscera, including the inkwhich in cooking can be used in preparations such as octopus salad as long as it's cooked. Although sometimes the opposite is believed, the The head is also edible Many already love it for its intense flavor.
In its natural habitat it lives on rocky bottoms, it feeds on crustaceans, small fish and mollusks and can be found from shallow to deeper waters, with a wide variety of sizes, from tiny octopuses to larger specimens.
Types of octopus you can find
Although the most common one in our markets is the common octopus (Octopus vulgaris)There are other species present in domestic consumption. It is advisable to know them in order to choose wisely and not confuse them with similar products.
El bigeye octopus (Octopus macropus) It stands out for its robust mantle and long, strong tentacles, with tones reddish or brownIt usually inhabits rocky areas and Posidonia meadows up to 100 meters.
The call white octopus (Eledone cirrhosa)The tall-headed or high-headed spider has a single row of suckers and a large head. It is paler and usually less tastyIt often appears preserved and in processed formats.
In Catalonia and other regions of Spain, the following are valued: baby octopusesoften juvenile white octopus or other related species. In any case, it is always important see the label to confirm species and origin.
Fishing areas and best season
Although we associate octopus with summer terraces and barbecues, its best months for fishing and consumption are usually the coldIn Spain, each autonomous community establishes its own regulations and closed seasons, with usual restrictions in May and June.
Today, most of the octopus consumed in our country comes from Morocco (Dakhla) and MauritaniaGalician catches have decreased in the last decade, while demand is growing, which has put pressure on prices and supply.
Whatever the origin, always seek well-labeled octopuswith clear information about origin and species. If you buy it already cooked or packaged, make sure they don't give you squid tentacle or other similar cephalopods instead.
Nutritional composition of octopus
Octopus provides lean protein of high biological value with a moderate calorie content and virtually no carbohydrates. Raw, it ranges between 70 and 90 kcal per 100 gThe nutrient content varies depending on the cooking method and the amount of water retained. It is also low in total fat and cholesterol, with a notable presence of... omega-3 long chain.
It is particularly interesting in terms of minerals and vitamins: it stands out in iodine, potassium, calcium and seleniumand provides B vitamins (with emphasis on folate, B2 and B12) and Vitamin EFor reference, a 150g serving can provide ~180mg of omega-3, an amount that It increases if you accompany it with extra virgin olive oil..
| Composition per 100g of octopus (CESNID reference) | |
| Sustainable | 69,9 Kcal |
| Water | 83,21 g |
| Protein | 15,45 g |
| Total fat | 0,90 g |
| Carbohydrates | 0 g |
| Potassium | 378 mg |
| Football | 32,33 mg |
| Sodium | 231 mg |
| Iodine | 64 mg |
| Niacin | 5 mg |
| Vitamin B6 | 0,36 mg |
| Vitamin E | 2,7 mg |
| Folates | 13 g |
These values may vary depending on the size, origin and preparationIn any case, it is a food with high nutritional density and low caloric content compared to other sources of animal protein.
Key nutrients in octopus
Protein of high biological value
Octopus protein provides all essential amino acidsIt participates in tissue formation, cell repair, and defense (antibodies), transport, and regulatory functions. For athletes or weight-control diets, it is a very good option.
Vitamin E and selenium
Both act as Antioxidantshelping to protect cells from oxidative damage. Vitamin E also supports immune function and vascular healthwhile selenium participates in key enzymes of the endogenous antioxidant system.
Folates (vitamin B9)
Folates are involved in the red blood cell formation, the synthesis of genetic material and the development of the nervous system, being especially relevant in the pregnancy to prevent neural tube defects such as spina bifida.
Iodine and thyroid function
Iodine is essential for synthesis of thyroid hormonesessential for metabolism and neurological development. An adequate intake is key in pregnant women and childrenAnd the octopus is a very interesting source of this mineral.
Other vitamins and minerals
Octopus contains B vitamins (B2, B6, B12) and minerals such as potassium, calcium and zincVitamin B2 has been linked to a reduction in migraines in some people, while potassium helps with... muscle contraction and to cellular water balance.
Health benefits of octopus
Health benefits of octopusThanks to its combination of lean protein, omega-3 and micronutrientsOctopus offers several dietary advantages. Below are the most relevant points supported by its nutritional profile.
- Weight control: Its high protein content is very filling with few calories and almost no sugar.
- Suitable if you control your cholesterol: It provides little fat and low cholesterol compared to other seafood.
- Uric acid: It is low in purines compared to other mollusks, so it is usually better tolerated.
- Pregnancy and growth: Iodine and folates promote neurological development and the formation of red blood cells.
- Cardiovascular health: Thanks to its omega-3 fatty acids and its fat profile, it is a healthy choice.
- Antioxidant effect: Selenium and vitamin E help protect cells from oxidative stress.
In sensitive individuals, it may be indigestibleTo aid digestion, you can boil it with laurel or season it with pepperssince both stimulate gastric juices and soothe the after-meal feeling.
Precautions, sustainability, and edible parts
From an environmental perspective, intensive octopus farming generates debate about its sustainability and animal welfare. For responsible household consumption, the recommendation is respect closed seasonsDemand clear labeling and choose committed suppliers.
have been detected heavy metals in some Asian octopuses; it's not a common concern with the ones we consume in Spain; consult our guide to fish and seafood without mercuryIn any case, proper cleaning (removing viscera and well washed head) reduces this risk.
Which part is not usually eaten? The head is popularly avoided, but there's no problem eating it if you like it: It is perfectly edible and with a similar taste to the rest. The ink, for its part, is harmless for consumption, as long as better cooked.
Differences between octopus and squid
Although both are cephalopods, the octopus has eight tentacles with two rows of suckers, and the squid, in addition to eight arms, has two additional tentaclesThe texture also changes: well-cooked octopus tends to be softer and more gelatinous, while the squid is somewhat firmer and more elastic.
How to choose and preserve octopus
A good octopus should have smell of clean seaLook for a fresh appearance and a slightly viscous texture (not excessive). Avoid pieces with bruises, cuts, or signs of spoilage. If you buy it already cooked or packaged, check the date and labeling to confirm species and origin.
Remember that the octopus shrinkage during cooking Because it releases a lot of water, so plan to buy a little more than you think you'll need. At the fishmonger's, ask for the weight. drained/net to properly compare fresh, cooked, or frozen formats.
It keeps in the refrigerator for about 4 daysProperly refrigerated. To preserve it longer, freezing is the best option: well cleaned and packaged, it can last up to 6 months with good organoleptic quality.
To defrost, the ideal thing is put it in the refrigerator In advance (at least 12 hours, depending on size) and place it in a large container because it will release a lot of liquid. This process also softens the fibers, something very useful if you start with very fresh octopus.
How to cook octopus so that it's tender
There are several ways to achieve a perfect texture. The traditional technique, widely used for the Galician octopusIt begins with the step of scare the octopus: with boiling water (without salt), submerge and bring up through the head thrice to help firm the skin and improve its texture.
Regarding cooking time, for a piece of 1 kg You can count a few 15 minutes from the moment the water returns to a boil (ideally with the pot uncovered). For one example of 2 kg, calculate between 25 and 30 minutesClicking at the end to check the point.
Once finished, leave the octopus soak for a few minutes in your hot waterThen, cut it with kitchen scissors and season it or add it to your chosen recipe. Avoid overcooking it in subsequent cooking stages so it doesn't become mushy. chewy.
Another option is to cook it without adding waterallowing it to release its juices to create a very flavorful broth (ideal for potatoes, stews, or rice dishes). In Mediterranean areas, it is common to add Red wine to that cooking method. If you're in a hurry, a pressure cooker is a faster option, also possible. without added water.
Finally, if you buy octopus totally freshYou can tenderize the meat by freezing it for 24 hours and then thawing it in the refrigerator. If it wasn't cleaned at the fishmonger's, remove it. viscera, eyes, beak and ink sacand wash well under a stream of cold water before cooking.
Easy and delicious octopus recipes
Galician-style octopus (pulpo á feira “well understood”)
After cooking, slice and serve on baked potato (optional) with a good drizzle of extra virgin olive oil, peppers (sweet, spicy, or a mix) and flaked salt. Pure tradition that highlights its clean taste.
Fresh octopus salad
Combine chopped cooked octopus with tomato, cucumber and red onionolives and lemon vinaigrette with olive oil. It provides crunch and just the right acidity for a light plate and very summery.
Grilled octopus with a spicy touch
Boil the octopus until tender (40-50 minutes if large), then coat it with oil, garlic, cilantro, and a spicy sauce Cook to your liking, and sear over high heat until well browned. Finish with Citrus (lime or lemon) and coarse salt.
Stewed potatoes with octopus
Sauté spring onions, garlic and peppers, add tomato and paprikaAdd roughly chopped potatoes, pour in white wine, and cover with stock. When the potatoes are almost cooked, add sliced octopus and let everything settle for a few minutes. You can also try the traditional version of octopus with cachelos.
Rice with octopus, Menorcan style
Prepare a sofrito with onion, garlic, pepper and tomatoMoisten with white wine, add sliced octopus and fish stock. When it boils, stir in the rice and cook covered until tender. Simple and full of flavor.
Other ideas to vary
Try the octopus oven (marinated with spices), in barbecue kebabsin empanadas, croquettes or in a salmagundi with vegetables and vinaigrette. Its versatility makes it a staple of tapas and other dishes. stews.
FAQs
Is octopus healthy?
Yes, it's a food. very balanced Due to its lean protein, low fat content, omega-3 fatty acids, and richness in vitamins and minerals, it fits into diets of weight control and in heart-healthy patterns.
How long does it last in the freezer?
Properly cleaned and packaged, it can reach 6 months without losing too much quality. In the refrigerator, consumed on time and properly, it keeps well. about 4 days.
How to prevent it from becoming chewy?
Take care of the cooking timePractice the "scare" technique and let it rest a bit in its water. If you're going to sear it on a griddle or grill, make sure it's... Quickly, now, on high fire to brown without drying out.
Is it safe to eat ink?
The ink is suitable for consumption and it adds characteristic color and flavor to sauces and rice dishes. As a general rule, it is preferable cook it before using.
Which part is not usually eaten?
Many people neglect their heads, but it's edible and tastyHowever, it must be cleaned thoroughly, removing viscera and eyes, and washing it deeply.
If you take away one general idea, let it be this: octopus is an ingredient nutritious, versatile and deliciousWith a very favorable fat profile, low in calories, and rich in key micronutrients such as iodine, folate, and selenium. Choose it with clear labelingStore it properly, cook it carefully (times and resting time), and finish with olive oil and paprika to enjoy one of the great treasures of our cuisine.