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Parsnip and potato stamppot with smoked mackerel

Stamppot has a bad reputation, and it doesn't deserve it. Adding parsnip gives a lightly sweet, full flavour that potato alone never reaches. For this, use a good potato masher to mash the mix evenly and aerate it without turning it gluey. The smoked mackerel adds savory depth, while the horseradish cream cuts through. This recipe works for a weeknight but is also perfectly at home on the table when you have guests.

Recipe

Parsnip and potato stamppot with smoked mackerel

A creamy stamppot of parsnip and potato, finished with smoked mackerel and a dollop of horseradish cream. Hearty, quick and surprisingly refined.

Course Main course
Kitchen Dutch
Servings 3 people

Preparation time

Preparation time 15 min
Total 35 min

Equipment

  • Large saucepan
  • Small saucepan
  • Colander
  • Potato masher
  • Small mixing bowl
  • Cutting board
  • Chef's knife

Ingredients

  • 700 g floury potatoes
  • 400 g parsnips
  • 40 g butter
  • 100 ml whole milk
  • 1.5 tsp fine sea salt
  • 1 tsp freshly ground black pepper
  • 250 g smoked mackerel fillets
  • 150 g sour cream
  • 2 tsp grated horseradish from a jar
  • 1 tbsp fresh lemon juice
  • 3 tbsp fresh chives, finely chopped

How to make parsnip and potato stamppot with smoked mackerel?

    1. Peel the potatoes and parsnips and cut them into even pieces of about 3 cm. Uniform size ensures everything cooks at the same rate and you won't end up with undercooked lumps in the mash.
    2. Place the potatoes and parsnips in a large pan, cover them with water and add a generous pinch of salt. Bring to a boil and cook for 18 to 20 minutes until tender. Test with a knife: there should be no resistance.
    3. Drain the vegetables well and leave them in the pan, uncovered, for a minute. That extra minute evaporates excess moisture so your stamppot doesn't turn watery.
    4. Warm the milk and butter separately in a small saucepan until the butter has melted and the mixture is warm. Warm liquid prevents the mash from cooling down while you work.
    5. Mash the potatoes and parsnips with the potato masher until you have a coarse puree. Add the warm milk and butter in batches and mash further until you have a creamy but still slightly textured mass. Do not use an immersion blender: it makes the mash gluey by overworking the starch.
    6. Mix the sour cream with the horseradish, lemon juice and a pinch of salt in a small bowl. Taste and add more horseradish if you want a sharper kick.
    7. Remove the skin and bones from the smoked mackerel and flake the fish into large pieces. Fold half of it lightly through the stamppot so you taste mackerel in every bite while the mash keeps its texture.
    8. Taste the stamppot and season with salt, freshly ground black pepper and, if desired, an extra squeeze of lemon juice.
    9. Divide the stamppot among deep plates. Top with the remaining mackerel, spoon a generous dollop of horseradish cream alongside and sprinkle with finely chopped chives. Serve immediately.

The potato-to-parsnip ratio is deliberately 70-30. More parsnip makes the stamppot too sweet and loose in texture. Less, and the parsnip flavour disappears. Choose floury potato varieties such as Bildtstar or Doré: they absorb liquid better and give a lighter mash than waxy types. Mash with short, forceful strokes and turn the pan a quarter between pushes for an even result. Jarred horseradish works fine, but freshly grated horseradish gives a sharper, less vinegary flavour. Start with a small amount and taste, because strength varies by brand and season.

No mackerel on hand? Smoked trout or smoked eel also pair well with the sweet parsnip. For a vegetarian version, omit the fish and fold in toasted walnuts and a handful of arugula at the end. Leftover stamppot keeps for up to two days in the fridge in a sealed container. Reheat it with a splash of extra milk in a pan over low heat, stirring regularly so it doesn't burn. Freezing is technically possible, but the texture becomes watery after thawing, so it's not ideal for this recipe.