Smørrebrød (Danish Open Rye Sandwich with Prawns and Egg)

Danish smørrebrød turns a slice of dense rye bread into a composed open sandwich, usually served cold and eaten as a light lunch or part of a larger spread. In this prawn and egg version, buttered rye provides a savoury, slightly tangy base for firm boiled egg, sweet cooked prawns and a creamy dill mayonnaise. Lemon juice and black pepper keep the topping bright rather than heavy, while fresh dill gives the familiar Nordic finish. Assemble just before serving so the bread stays springy and the seafood remains fresh-tasting.
Cuisine style Danish open sandwich
Flavor profile Creamy • Herby • Light and fresh
Techniques Boiling • Cold assembly
Cooking style Minimal cleanup • Make-ahead friendly
Time commitment Under 30 minutes

Why this recipe works

  • Fast assembly: Cooked prawns and a simple dill mayonnaise keep the preparation short once the eggs are boiled.
  • Balanced textures: Dense rye, soft egg, tender prawns and creamy dressing create a satisfying open sandwich without needing cooking beyond the eggs.
  • Fresh finish: Lemon cuts through the mayonnaise and egg, keeping the topping bright rather than heavy.

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Authenticity notes

  • Open-faced style: Smørrebrød is traditionally served as an open sandwich, with toppings arranged generously on rye rather than enclosed between slices.
  • Rye bread matters: Dense rye gives the sandwich its characteristic Nordic base and stands up well to rich toppings such as egg, mayonnaise and seafood.
  • Seafood topping: Prawns, egg, dill and lemon are a familiar cold combination for this style of Danish sandwich.

Ingredient notes

  • Choose cooked prawns: Use cooked, peeled prawns with a clean, sweet flavour; pat them dry if they seem wet so the topping stays neat.
  • Use fresh dill: Fresh dill gives the mayonnaise a cleaner, brighter flavour than dried dill and works well as a finishing garnish.
  • Adjust the lemon: Add lemon gradually to the mayonnaise so it tastes fresh without becoming too sharp or loose.

Make-ahead tips

  • Keep components separate: For the best texture, store the eggs, prawns, mayonnaise and buttered rye separately until shortly before serving.
  • Assemble just before eating: Build the sandwiches close to serving time so the rye stays springy and the toppings look fresh.
  • Best the same day: Smørrebrød is at its best freshly assembled, though leftovers can be refrigerated briefly in a single layer.

Equipment you'll need

Ingredients
Instructions
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  1. Bring a small saucepan of water to the boil. Lower in the eggs and boil for 9 minutes for firm yolks, then cool under cold running water and peel.
  2. In a small bowl, mix the mayonnaise with a squeeze of lemon juice and the black pepper. Finely chop most of the dill and stir it through, reserving a little for finishing.
  3. Butter the rye bread slices right to the edges. Slice the eggs and arrange over the bread, then pile on the prawns.
  4. Spoon the dill mayonnaise over the top and finish with the reserved dill. Serve cold with extra lemon on the side, if you like.

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Recipe notes

Tips

  • For the neatest slices, chill the peeled eggs for 5 minutes, then cut with a sharp knife wiped clean between cuts.
  • If serving later the same day, keep the buttered bread covered and assemble just before eating so the rye stays springy.

Substitutions

  • Replace fresh dill with fresh chives for a milder, oniony finish.
  • Replace mayonnaise with crème fraîche for a lighter, tangier topping.

Storage

  • Refrigerate up to 1 days
  • Best eaten freshly assembled. If needed, refrigerate assembled sandwiches in a single layer and eat within 24 hours; the bread will soften over time.

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Recipe overview

  • Servings: 2 servings
  • Total time: 15min (15min active)
  • Difficulty: Easy
  • Cuisine: Nordic
  • Allergens:
    Eggs Gluten Milk Wheat
Beginner friendly Kid friendly

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