Culinary Explorer

A cooking platform built around craft, culture, and the stories behind what we eat.

Discover Culinary Explorer
Makrelsalat

Makrelsalat

Created by Chef Freja

Danish mackerel salad from a tin, a jar of mayonnaise, and a red onion. The ten-minute lunchbox spread that has fed generations of Danes on ordinary Tuesdays.

Salads
Danish
Quick Meal
Weeknight
Make Ahead
10 min
Active Time
0 min cook10 min total
Yield4 servings

Every Danish child knows the smell of a madpakke. The packed lunch that travels from home to school wrapped in paper, opened at the small desk around eleven o'clock, eaten while the teacher is still talking. Inside, almost always, there is rugbrod. And on the rugbrod, often, there is makrelsalat.

This is not restaurant food and it never tries to be. Makrelsalat is what you make when you open the cupboard and find a tin of mackerel in tomato sauce and a jar of mayonnaise and decide lunch is solved. Ten minutes, maybe less, and you have something honest and deeply satisfying that has fed Danes through war years, postwar scarcity, and every ordinary weekday since. The madpakke is one of the most democratic pieces of Danish food culture. Office workers and schoolchildren eat the same thing, and nobody feels short-changed.

The technique is barely technique at all. You drain the fish, break it up with a fork, fold in mayonnaise, mustard, onion, and chives, and taste as you go. What matters is restraint. Too much mayonnaise and the fish disappears. Too little and the spread goes dry. You want the tomato sauce from the tin to still taste like itself underneath everything, the quiet backbone of the whole dish. Pay attention to the texture when you flake the fish: rough pieces, not paste. You'll know when it's right.

Canned mackerel in tomato sauce arrived in Denmark in the early twentieth century, when industrial canning reached the Danish ports and made shelf-stable fish affordable to every household. The Limfjord brand Glyngore, founded in 1899 on the north coast of Jutland, became so synonymous with the tin itself that many older Danes still call any mackerel in tomato sauce a Glyngore, regardless of who made it. By the 1950s, makrelsalat had become a fixture of the madpakke tradition, the Danish packed lunch that follows children from school into adult working life and, for many, never quite leaves.

The technique, the tradition, and the story behind every dish.

Discover Culinary Explorer

Ingredients

mackerel in tomato sauce

Quantity

2 tins, about 125g each

Danish brand if possible

good mayonnaise

Quantity

3 tablespoons

Dijon mustard

Quantity

1 teaspoon

red onion

Quantity

1 small

finely diced

chives

Quantity

small bunch, plus extra to finish

finely snipped

caster sugar

Quantity

pinch

black pepper

Quantity

freshly ground, to taste

fine sea salt

Quantity

to taste

dark rugbrod

Quantity

4 thick slices

red onion rings (optional)

Quantity

a few, to finish

Equipment Needed

  • Small sieve
  • Mixing bowl
  • Fork
  • Sharp knife for the onion
  • Serrated knife for the rugbrod

Instructions

  1. 1

    Open the tins

    Open the tins of mackerel and tip the contents into a sieve set over a small bowl. Let them drain for about a minute. You are not trying to get rid of the tomato sauce. You are getting rid of the excess liquid that would otherwise make the spread soupy. A little of the sauce should still cling to the fish, because that is where the character of the dish lives.

    Don't press the fish with a spoon to force more liquid out. You'll bruise it and it will go grey. Gravity is enough.
  2. 2

    Break up the fish

    Tip the drained mackerel into a mixing bowl. Break it up with the back of a fork into rough flakes. Stop before it becomes a paste. You want texture, small pieces you can still recognize as fish, not a smooth pate. This is the difference between makrelsalat that tastes like something and makrelsalat that tastes like nothing.

  3. 3

    Add mayonnaise and mustard

    Add the mayonnaise and the Dijon mustard to the bowl. Fold them through gently. The mayonnaise binds the salad and carries the richness. The mustard sharpens it and keeps it from going flat on the tongue. Start with three tablespoons of mayonnaise and add more only if the spread looks dry. Too much and the fish disappears behind the cream.

  4. 4

    Fold in the onion and chives

    Add the finely diced red onion and the snipped chives. Fold them through. The onion gives the salad its bite, the chives give it the green, clean finish that lifts everything. Dice the onion as small as you can without turning it to mush. Large pieces feel aggressive in a spread this soft.

    If your red onion is particularly sharp, rinse the dice under cold water and pat dry before folding in. You'll take the edge off without losing the bite.
  5. 5

    Season and rest

    Add a pinch of sugar, a few grinds of black pepper, and a small pinch of salt. The sugar sounds strange but it rounds out the acidity of the tomato sauce and the vinegar in the mayonnaise. Taste it. Adjust. Cover the bowl and let it sit in the fridge for ten minutes if you have the time. The flavors find each other, the onion softens slightly, and the spread becomes itself. If you don't have ten minutes, it will still be good. Makrelsalat is forgiving like that.

  6. 6

    Spread on rugbrod

    Spread the makrelsalat generously across thick slices of dark rugbrod, right to the edges. Top each slice with a few rings of red onion and a scatter of snipped chives. Cut each piece in half if you're serving it as part of a lunch. Eat it with a knife and fork if you're at the table, or wrap it in paper for the madpakke and take it with you. Either way, tak for mad.

Chef Tips

  • The quality of the tin matters more than you'd think. Danish brands like Glyngore or Bornholms have a thicker tomato sauce and firmer fish than the cheapest supermarket versions. If you can find one, use it. The whole dish rests on this one ingredient.
  • Makrelsalat is actually better on the second day. If you have the foresight, make it the evening before and let it sit overnight in the fridge. The onion mellows, the mustard integrates, and the whole thing tastes more like itself.
  • Serve with a cold beer or a glass of buttermilk if you want to eat it the way it's eaten in Danish homes. The contrast of cool, tangy, and rich is what the meal is built around.
  • Don't use flavored mayonnaise or salad cream. Plain, good-quality mayonnaise is what this dish wants. Anything else fights the tomato sauce instead of supporting it.

Advance Preparation

  • Makrelsalat keeps for two days, covered, in the fridge. Make a double batch in ten minutes and you've solved lunch for the rest of the week.
  • For a proper madpakke, spread the salad on the rugbrod in the morning, wrap tightly in paper or a beeswax wrap, and it will hold until lunch. Don't assemble the night before or the bread goes damp.

Frequently Asked Questions

Nutrition Information

1 serving (about 160g)

Calories
325 calories
Total Fat
17 g
Saturated Fat
3 g
Trans Fat
0 g
Unsaturated Fat
13 g
Cholesterol
45 mg
Sodium
790 mg
Total Carbohydrates
28 g
Dietary Fiber
4 g
Sugars
3 g
Protein
14 g

Note: Chef personas and recipes are created with AI assistance. Cook with care: follow safe food-handling practices, check doneness with a thermometer when needed, and adapt for allergies and your kitchen.

Where cooking meets culture.

Culinary guides, cultural storytelling, and the editorial depth that makes cooking meaningful.

Discover Culinary Explorer

More from Danish Cold Plates & Salads

Browse the full collection