Portuguese
Bacalhau a Bras
The diets react (see scores below)
Common Ingredients
- salt cod
- eggs
- potatoes
- onion
- garlic
- olive oil
- black olives
- parsley
Specific recipes may vary.
Incompatible with 4 of 11 diets
Diet Ratings
Bacalhau à Brás is fundamentally incompatible with keto due to potatoes, which are a starchy vegetable with very high net carbs. A standard serving contains shredded potatoes as a core structural ingredient (typically 150-200g), contributing roughly 25-35g of net carbs from potatoes alone — enough to break ketosis on its own. The dish also includes onion, adding further carbs. While the salt cod, eggs, olive oil, garlic, olives, and parsley are all keto-friendly, the potato content is non-negotiable in the traditional preparation and cannot be reduced to a keto-safe portion without fundamentally changing the dish. The fat and protein profile from eggs and fish is otherwise good, but the carbohydrate load disqualifies it.
Bacalhau à Brás contains multiple animal-derived ingredients that are strictly excluded from a vegan diet. Salt cod is a fish product, and eggs are an animal product — both are clear violations of vegan principles. There is no ambiguity here. The remaining ingredients (potatoes, onion, garlic, olive oil, black olives, parsley) are plant-based, but the dish as defined cannot be made vegan without fundamentally replacing its primary components.
Bacalhau à Brás is built on mostly paleo-friendly ingredients — cod fish, eggs, olive oil, onion, garlic, olives, and parsley are all well within paleo guidelines. However, two ingredients create friction: salt cod introduces added salt (excluded under strict paleo rules), and white potatoes are a debated ingredient in the paleo community. The dish's overall structure is sound from a hunter-gatherer perspective, but these two factors prevent a clean approval.
Bacalhau à Brás is a traditional Portuguese dish built around salt cod (an excellent Mediterranean-compatible fish protein), olive oil (the canonical Mediterranean fat), onion, garlic, parsley, and black olives — all strongly aligned with Mediterranean principles. The eggs add moderate-consumption protein that is acceptable within the diet. The primary concern is the use of fried or sautéed potato strips (batatas fritas), which are typically refined and fried, introducing a less-ideal starch element compared to whole-grain alternatives. Additionally, salt cod is very high in sodium, which is a nutritional consideration even if the fish itself is wholesome. The dish is genuinely Mediterranean in spirit — fish-forward, olive oil-based, herb-rich — but the potato preparation and sodium load prevent a full approval.
Bacalhau à Brás is fundamentally incompatible with the carnivore diet despite containing carnivore-approved ingredients (salt cod and eggs). The dish is structurally built around multiple plant-based foods: potatoes (starchy tuber), onion, garlic, olive oil (plant oil), black olives, and parsley. These are not minor trace additives — they are core, load-bearing components of the dish. Potatoes alone make this a high-carbohydrate meal, directly contradicting carnivore principles. Olive oil replaces animal fats entirely. The plant ingredients collectively dominate the dish alongside the animal proteins, making this an avoid even though the cod and eggs within it would individually be approved.
Bacalhau à Brás is a traditional Portuguese dish made with salt cod, eggs, potatoes, onion, garlic, olive oil, black olives, and parsley — all of which are individually Whole30-compliant ingredients. Salt cod (bacalhau) is simply fish preserved with salt, which is allowed. Eggs, potatoes, onion, garlic, and olive oil are staple Whole30 foods. Black olives and parsley are also compliant. However, the dish traditionally involves shredding the potatoes into very thin matchstick fries (palha/straw fries) that are fried, then scrambled together with eggs — a preparation that some practitioners might question under the 'no french fries or tots' recreation rule. That said, the potatoes here function as a textural component in a savory egg-and-fish dish rather than as a standalone fried potato snack, which differentiates it from the junk-food recreation concern. The main practical caution is verifying that the salt cod has no added preservatives beyond salt, and that canned or jarred olives contain no sulfites or non-compliant additives.
Bacalhau à Brás contains two major high-FODMAP ingredients that make it unsuitable during the elimination phase: onion and garlic. Both are among the highest-fructan foods in the Monash database and are problematic even in small quantities. Onion is consistently rated as one of the worst offenders for IBS sufferers, and garlic is similarly high in fructans with no safe serving size established during elimination. The remaining ingredients — salt cod (desalted fish), eggs, potatoes, olive oil, parsley, and black olives — are generally low-FODMAP at standard servings. However, because onion and garlic are foundational flavoring ingredients in this dish and are cooked directly into it (meaning FODMAPs are fully dissolved into the food), there is no practical way to make a traditional version of this dish compliant without recipe modification. The dish as traditionally prepared must be avoided during the elimination phase.
Bacalhau à Brás presents a mixed DASH profile. The core ingredients — fish (cod), potatoes, onion, garlic, olive oil, and parsley — are well-aligned with DASH principles: lean protein, potassium-rich vegetables, and heart-healthy monounsaturated fats. However, the primary concern is salt cod (bacalhau), which is heavily preserved in salt and is extremely high in sodium — a single serving can contain 1,000–2,000mg of sodium even after soaking and desalting, which can consume the majority of the DASH daily sodium budget (1,500–2,300mg). The eggs are acceptable in moderation under most current DASH interpretations. Black olives add additional sodium. The dish can be made more DASH-compatible by using thoroughly desalted cod and limiting olives, but as traditionally prepared, the sodium load is a significant concern.
Bacalhau à Brás is a classic Portuguese dish with several Zone-friendly elements but is ultimately pulled off balance primarily by the potatoes. Salt cod is an excellent lean protein source — low fat, high protein, ideal for Zone block building. Eggs contribute additional protein and some fat. Olive oil is a premier monounsaturated fat, perfectly aligned with Zone fat guidelines. Onion, garlic, and parsley are favorable low-glycemic vegetables. Black olives add more monounsaturated fat. The major problem is the potatoes, which are explicitly listed as a high-glycemic, unfavorable carbohydrate in Dr. Sears' Zone framework — potatoes spike insulin and are in the same 'avoid' category as white rice and white bread for carb blocks. In traditional preparation, the potato-to-cod ratio is roughly equal, making this dish carbohydrate-heavy with a high glycemic load that would disrupt the Zone's insulin-control objective. The dish could theoretically be adapted — reducing potatoes dramatically and adding low-glycemic vegetables — but as traditionally prepared, the glycemic imbalance is significant. The protein and fat components are strong, preventing this from falling into 'avoid' territory, but the potato base makes it a 'caution' at best without modification.
Bacalhau à Brás is a traditional Portuguese dish with a mixed anti-inflammatory profile. On the positive side, salt cod (bacalhau) is a lean white fish providing quality protein and some omega-3s (though significantly less than fatty fish like salmon or sardines). Extra virgin olive oil is a cornerstone anti-inflammatory fat rich in oleocanthal and polyphenols. Garlic and onion contribute quercetin, allicin, and other anti-inflammatory compounds. Black olives add additional polyphenols and healthy monounsaturated fats. Parsley provides vitamin C, vitamin K, and flavonoids. On the cautionary side, the primary concerns are the eggs (moderate arachidonic acid; mixed evidence overall) and potatoes (high glycemic index, especially when fried or sautéed in oil as is traditional). Salt cod is also very high in sodium due to the preservation process, and excessive sodium can contribute to vascular inflammation. The combination of eggs and potatoes makes this a relatively calorie-dense, higher-glycemic dish. The frying of the potato matchsticks ('palha' style) adds additional considerations depending on oil quantity and temperature. Overall, the dish contains genuinely anti-inflammatory anchors (EVOO, garlic, cod, olives) balanced by moderately concerning elements (high sodium from salt cod, high-glycemic potatoes, eggs), landing it in the caution range as an acceptable occasional meal rather than a dietary staple.
Bacalhau à Brás is a mixed dish with meaningful nutritional strengths and some notable drawbacks for GLP-1 patients. Salt cod is an excellent lean protein source — high protein density, low fat, and easy to digest. Eggs add further protein and micronutrients. However, the dish is traditionally made with fried shoestring potatoes (batatas palha), which are the primary concern: they are deep-fried or pan-fried in significant olive oil, adding fat and making digestion heavier — both problematic for GLP-1 patients who already experience slowed gastric emptying. Olive oil is the preferred fat source, which is a genuine positive, but the total fat load in a standard restaurant or home preparation is moderate to high due to the quantity used to cook the potatoes and scramble the eggs. Black olives add small amounts of healthy fat but also sodium, which compounds the already high sodium content from the salt cod (even after soaking and desalting). Onion, garlic, and parsley contribute fiber and micronutrients but in small quantities. Overall, this dish has a solid protein foundation but the fried potato component and total fat load push it into caution territory. A modified version — baked or air-fried potatoes, less oil, smaller portion — would score higher (6–7).
*See how scores were generated at our methodology page.
Nutritional profile
Six traits that cut across every diet.
Fiber & Plants
How much whole-plant food and fiber it delivers.
Healthy Fats
The quality of its fats (unsaturated, omega-3).
Whole / Unprocessed
How close it is to its natural, unprocessed form.
Gut Gentle
How easy it is on digestion (low FODMAP, few irritants).
Low Glycemic
How little it spikes your blood sugar.
Protein Density
How much protein it packs per calorie.
Controversy Index
Higher controversy = more disagreement between diets.
Diet-Specific Tips
Paleo — 5/10View tips
- Cod fish is fully paleo-approved as an unprocessed wild fish
- Salt cod is cured with added salt, which is excluded under strict paleo rules
- White potatoes are debated — excluded by Cordain and The Paleo Diet, but accepted by Sisson, Whole30, and many modern paleo frameworks
- Eggs, olive oil, onion, garlic, olives, and parsley are all paleo-approved
- No grains, legumes, dairy, or seed oils present
- The dish is a traditional whole-food preparation with no processed ingredients beyond the salt cure
Mediterranean — 6/10View tips
- Salt cod is an excellent Mediterranean fish protein source
- Olive oil is the primary cooking fat — fully aligned
- Eggs are acceptable in moderate Mediterranean servings
- Fried/sautéed potato strips are a less ideal starch vs. whole grains
- High sodium content from salt cod is a nutritional caveat
- Olives, garlic, onion, and parsley strongly reinforce Mediterranean credentials
- Dish is traditional Portuguese cuisine with clear Mediterranean heritage
Whole30 — 8/10View tips
- Salt cod is Whole30-compliant — verify no non-compliant additives beyond salt
- Eggs, potatoes, onion, garlic, and olive oil are all approved Whole30 ingredients
- Black olives are compliant — check label for sulfites or non-compliant preservatives in packaged versions
- Fried potato straws could be questioned under the 'no fries' recreation rule, but context as part of a whole-food egg dish mitigates this concern
- Parsley and any standard seasoning are fully compliant
DASH — 4/10View tips
- Salt cod is extremely high in sodium due to salt-curing preservation, even after soaking
- Single serving may exceed 1,000mg sodium, straining DASH sodium limits
- Olive oil is a DASH-approved heart-healthy fat
- Eggs are acceptable in moderation under most current DASH interpretations
- Potatoes, onion, and garlic are DASH-friendly vegetables rich in potassium
- Black olives add additional sodium burden
- Parsley adds micronutrients with no DASH concerns
- Fresh or frozen unsalted cod would dramatically improve DASH compatibility
Zone — 5/10View tips
- Salt cod is a lean, Zone-ideal protein source
- Potatoes are explicitly classified as unfavorable/high-glycemic in Zone methodology
- Olive oil and black olives provide excellent monounsaturated fat blocks
- Eggs contribute to protein and fat blocks favorably
- Dish is carbohydrate-heavy with high glycemic load as traditionally prepared
- Could be Zone-adapted by substituting most potatoes with low-glycemic vegetables
- Onion, garlic, and parsley are favorable Zone carb contributors
Anti-Inflammatory — 6/10View tips
- Salt cod provides lean protein and modest omega-3s, but extremely high sodium content is a concern
- Extra virgin olive oil is a core anti-inflammatory fat (oleocanthal, polyphenols)
- Garlic and onion contribute allicin, quercetin, and anti-inflammatory compounds
- Black olives add monounsaturated fats and polyphenols
- Potatoes are high glycemic and excluded from stricter anti-inflammatory protocols
- Eggs contribute arachidonic acid (mildly pro-inflammatory) but also choline and selenium
- Parsley provides vitamin C, vitamin K, and flavonoids
- Dish is moderate in refined carbs but overall a traditional whole-food preparation
GLP-1 Friendly — 5/10View tips
- Salt cod is a high-quality lean protein — positive for GLP-1 patients
- Eggs contribute additional protein and micronutrients
- Traditional preparation uses fried shoestring potatoes — increases fat content and digestive load
- Olive oil is the fat source (unsaturated, preferred), but total volume used is often high
- Very high sodium from salt cod, even after soaking — relevant for many GLP-1 patients
- Potatoes are refined/starchy carbohydrates with low fiber density in fried form
- Black olives add healthy fats but also additional sodium
- Garlic, onion, and parsley contribute minor fiber and antioxidants
- Heavy, egg-and-potato combination may worsen nausea or bloating due to slowed gastric emptying
- Portion-sensitive: a small serving shifts the risk profile meaningfully