FoodRef
S

Danish

Smorrebrod

2.3/ 10Poor
Controversy: 2.7
0 approve3 caution

The diets react (see scores below)

Caution3
Disapproves8

Common Ingredients

  • rye bread
  • butter
  • pickled herring
  • liver pate
  • roast beef
  • remoulade
  • onion
  • dill

Specific recipes may vary.

Incompatible with 8 of 11 diets

Diet Ratings

KetoAvoid

Smørrebrød is built on a foundation of rye bread, which is a dense, high-carb grain product. A single slice of rye bread typically contains 12-15g of net carbs, and smørrebrød is specifically defined by its open-faced bread base — removing it would leave you with just toppings, which is no longer the dish. While the toppings themselves (pickled herring, butter, liver pâté, roast beef) are largely keto-friendly and high in fat and protein, the rye bread base makes the dish fundamentally incompatible with ketosis. Remoulade may also contain added sugars and starch-based thickeners, adding further carbs. The dish as a whole would easily exceed 15-20g of net carbs per serving from bread alone, making regular consumption within a ketogenic framework impossible.

VeganAvoid

Smørrebrød as described contains multiple animal products that are strictly excluded from a vegan diet. Pickled herring is fish, liver pâté is animal organ meat, roast beef is red meat, and butter is a dairy product. Four separate animal-derived ingredients are present, making this dish entirely incompatible with veganism. The only vegan-friendly components are rye bread, onion, and dill — a small minority of the dish's ingredients.

PaleoAvoid

Smørrebrød is fundamentally built on rye bread, a grain that is strictly excluded from the paleo diet. The foundation of the dish alone disqualifies it entirely. Beyond the bread, butter is a dairy product (avoided in strict paleo), remoulade is a processed condiment typically containing non-paleo ingredients (canola or soybean oil, mustard with additives, sugar), pickled herring often contains added sugar and preservatives, and liver pâté is typically prepared with dairy and additives. While a few individual components — roast beef, onion, dill, and herring in their unprocessed forms — are paleo-compatible, the dish as a whole is structurally and fundamentally non-paleo. There is no meaningful way to adapt smørrebrød without destroying the dish entirely.

Smørrebrød is a traditional Danish open-faced sandwich that conflicts with Mediterranean diet principles on multiple fronts. While it contains some compatible elements (pickled herring, rye bread, onion, dill), the dish is heavily anchored by ingredients that contradict core Mediterranean guidelines. Butter is used as the primary fat instead of olive oil. Liver pâté is a processed, high-saturated-fat meat product. Roast beef constitutes red meat, which should be limited to a few times per month. Remoulade is typically a mayonnaise-based processed condiment. The combination of butter, processed liver pâté, and red meat in a single dish stacks multiple Mediterranean diet violations simultaneously, pushing the score firmly into avoid territory despite the redeeming presence of herring and rye bread.

CarnivoreAvoid

Smorrebrod is fundamentally incompatible with the carnivore diet. The dish is built on a rye bread base, which is a grain and a core excluded food. Beyond the bread, multiple plant-derived ingredients are present: remoulade (typically contains mustard, capers, plant-based fillers), onion (vegetable), and dill (herb/spice). Pickling brine for the herring often contains sugar and vinegar. While some ingredients are carnivore-friendly in isolation — butter, pickled herring (with caveats), liver pâté (if pure), and roast beef are all animal-derived — the overall dish is dominated by excluded plant foods. No amount of selective eating around the toppings salvages this as a carnivore dish; the foundational structure is a grain-based bread.

Whole30Avoid

Smørrebrød is fundamentally built on rye bread, which is a grain and explicitly excluded from the Whole30 program. Beyond the bread base, butter (not ghee) is used, which is also excluded dairy. Remoulade typically contains added sugar and sometimes non-compliant ingredients. Liver pâté often contains dairy or other excluded additives. Even if the protein toppings (pickled herring, roast beef) were individually compliant, the foundational grain-based bread alone disqualifies this dish entirely. There is no compliant workaround for smørrebrød — the rye bread is definitional to the dish, not an optional component.

Low-FODMAPAvoid

Smørrebrød is built on a rye bread base, which is high in fructans and is rated high-FODMAP by Monash University — this alone disqualifies the dish during the elimination phase. Onion is one of the highest fructan-containing foods and is a clear avoid. Remoulade typically contains garlic and/or onion in its base, adding further fructan load. Liver pâté often contains onion and wheat-based binders. These multiple high-FODMAP ingredients compound one another, making this dish unsuitable for the elimination phase at any realistic serving size.

DASHAvoid

Smørrebrød as traditionally prepared is a significant DASH diet challenge. While rye bread offers whole grain fiber benefits and pickled herring provides omega-3 fatty acids (both positives), the overall dish is problematic for DASH. Butter adds saturated fat; liver pâté is high in saturated fat and cholesterol; roast beef represents red meat which DASH limits; remoulade is a high-fat, often high-sodium condiment; and critically, pickled herring and liver pâté are both extremely high in sodium. A traditional smørrebrød plate can easily contain 1,000–2,000mg of sodium in a single serving, approaching or exceeding the entire daily DASH sodium budget (1,500–2,300mg/day). The combination of red meat, full-fat dairy (butter), processed/cured fish, and organ meat violates multiple DASH principles simultaneously. Individual components like rye bread, onion, and dill are DASH-friendly, but the overall dish as commonly consumed cannot be reconciled with DASH eating patterns.

ZoneCaution

Smørrebrød is a traditional Danish open-faced sandwich with a mixed Zone profile. The rye bread base is a denser, lower-glycemic carbohydrate compared to white bread, which is a positive, but it still counts as a grain-based carb block and should be limited to 0-1 servings in the Zone. The proteins present — pickled herring, roast beef, and liver pâté — are varied: herring provides excellent omega-3 fatty acids (highly anti-inflammatory and Zone-favorable), roast beef is a moderate lean protein, but liver pâté introduces higher saturated fat content. Butter adds saturated fat rather than preferred monounsaturated fat, and remoulade (typically mayonnaise-based) adds omega-6-heavy fat from seed oils, which conflicts with Zone's anti-inflammatory emphasis. Onion and dill are favorable low-glycemic additions. As a snack, the dish skews carbohydrate-heavy (bread base) with excess saturated fat and omega-6 fat sources, making the 40/30/30 ratio difficult to hit without significant modification. Reducing bread portion, eliminating butter, swapping remoulade for avocado or olive oil-based condiment, and focusing on herring as the primary protein would bring it closer to Zone compliance.

Smørrebrød is a traditional Danish open-faced sandwich with a genuinely mixed anti-inflammatory profile. On the positive side: rye bread is a whole grain with fiber and lower glycemic index than refined wheat, offering modest anti-inflammatory benefits. Pickled herring is a fatty fish rich in omega-3s (EPA/DHA), which is a strong anti-inflammatory asset. Onion and dill contribute quercetin and flavonoids. However, the dish is significantly weighed down by several pro-inflammatory or cautionary elements: butter is a saturated fat to be limited on anti-inflammatory protocols; liver pâté is typically high in saturated fat and often contains additives; roast beef is red meat, which should be limited; and remoulade is typically mayonnaise-based, often made with high-omega-6 seed oils (soybean or canola oil). The combination of herring (approve-worthy) alongside red meat and full-fat dairy and seed-oil condiments creates a dish that lands firmly in 'caution' territory. Traditional Smørrebrød is also a high-variety dish — ordering a herring-only version would score higher, while a roast beef or liver pâté-only version would score lower. As assembled with all listed ingredients, the pro-inflammatory components (butter, red meat, liver pâté, remoulade) roughly offset the benefits from herring, rye bread, and aromatics.

Traditional Danish smørrebrød is a layered open-faced sandwich that combines several GLP-1-unfriendly elements alongside some beneficial ones. Rye bread is a genuine positive — it is high in fiber and a whole grain, supporting digestion and blood sugar stability. Pickled herring provides omega-3 fatty acids and lean protein, which are both desirable for GLP-1 patients. However, the dish as typically assembled includes butter (saturated fat, empty calories), liver pâté (high in saturated fat and calorie-dense, though nutrient-rich), roast beef (moderate saturated fat depending on cut), and remoulade (a mayonnaise-based condiment that is high in fat and low in nutritional value). The combination of multiple high-fat components in a single small serving is problematic because GLP-1 medications slow gastric emptying, meaning fat lingers in the stomach longer and worsens nausea, bloating, and reflux. The total fat load per serving is likely high even though the portion is modest. Protein content is moderate but spread across fatty sources rather than lean ones. The dish scores points for rye bread fiber, omega-3s from herring, and the small-portion format, but the multi-layered fat profile and butter base are meaningful drawbacks. A modified version — rye bread with herring or smoked salmon, light remoulade, onion, and dill, omitting butter and pâté — would score significantly higher.

*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.

5/10

Healthy Fats

The quality of its fats (unsaturated, omega-3).

5/10

Whole / Unprocessed

How close it is to its natural, unprocessed form.

4/10

Gut Gentle

How easy it is on digestion (low FODMAP, few irritants).

4/10

Low Glycemic

How little it spikes your blood sugar.

5/10

Protein Density

How much protein it packs per calorie.

6/10
7-104-61-3

Controversy Index

Higher controversy = more disagreement between diets.

Consensus2.7Divisive

Diet-Specific Tips

Zone 5/10
View tips
  • Rye bread is lower-glycemic than white bread but still a grain carb that should be limited to 0-1 Zone servings
  • Pickled herring is an excellent omega-3 source, highly favorable in Zone's anti-inflammatory framework
  • Butter contributes saturated fat rather than preferred monounsaturated fat
  • Liver pâté adds saturated fat and is calorically dense, complicating Zone block balancing
  • Remoulade is typically seed-oil-based (omega-6 heavy), conflicting with Zone's anti-inflammatory focus
  • Onion and dill are favorable low-glycemic Zone carb additions
  • Multiple protein sources (herring, beef, pâté) make precise Zone block measurement difficult
  • As a snack, the carbohydrate load from bread likely exceeds the protein and fat balance needed for a Zone-compliant snack
View tips
  • Pickled herring provides significant omega-3 fatty acids (EPA/DHA) — a strong anti-inflammatory positive
  • Rye bread is a whole grain with fiber and lower glycemic impact than refined wheat
  • Butter is a saturated fat flagged for limitation on anti-inflammatory protocols
  • Roast beef (red meat) should be limited per anti-inflammatory guidelines
  • Liver pâté is high in saturated fat and often contains additives
  • Remoulade is typically mayonnaise-based with high-omega-6 seed oils
  • Onion and dill contribute quercetin, flavonoids, and polyphenols
  • Mixed dish with both approve-worthy and cautionary ingredients — component selection matters
View tips
  • Rye bread provides beneficial fiber and is a whole grain positive
  • Pickled herring contributes omega-3 fatty acids and lean protein
  • Butter adds saturated fat with minimal nutritional return
  • Liver pâté is calorie-dense and high in saturated fat, worsening GLP-1 GI side effects
  • Remoulade is mayonnaise-based — high fat, low nutrient density
  • Multi-component high-fat assembly is problematic given slowed gastric emptying on GLP-1 medications
  • Protein sources are present but predominantly fatty rather than lean
  • Small open-faced portion format is a mild positive for GLP-1 small-meal eating pattern