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Kartoffelmad (Danish Potato Open-Faced Sandwich)

A recipe for Kartoffelmad (Danish Potato Open-faced Sandwich). Slices of rye bread are topped with butter, potatoes, red onion, fried onion, mayonnaise, and herbs.
Course Main
Cuisine Danish
Keyword Danish, Denmark, onion, potato, smørrebrød
Prep Time 10 minutes
Cook Time 10 minutes
Resting Time: 30 minutes
Total Time 50 minutes
Servings 4 Sandwiches

Ingredients

  • 6-8 new potatoes
  • 4 slices rye bread Danish if possible
  • Salted butter for spreading
  • 3 tablespoons mayonnaise
  • 1/2 red onion peeled and finely chopped
  • 1/3 cup fried onions
  • 2 tablespoons fresh chives thinly sliced
  • 4 sprigs fresh thyme
  • Salt to taste
  • Freshly ground black pepper to taste

Instructions

  • Place the potatoes in a large saucepan and cover with cold water. Add a large pinch of salt and bring to a boil, Reduce to a simmer and cook until fork-tender, about 10-15 minutes depending on the size of the potatoes. Larger potatoes may take longer. Remove the potatoes from the water and set aside until cooled, about 30 minutes. Rinse or place in cold water to speed along the process.
  • Spread a layer of the salted butter over each slice of rye bread.
  • Peel the boiled potatoes if desired and slice about 1/4 inch thick. Arrange in an overlapping layer over the buttered bread.
  • Top with a line of mayonnaise, followed by a sprinkling of the raw and fried onions. Top with the chives and place 1 sprig of thyme over each.
  • Sprinkle each smørrebrød with a pinch of salt and black pepper. Serve immediately.