Boerenkoolstamppot
The most iconic Dutch stamppot — creamy mashed potatoes vigorously stirred with braised kale, served with smoked rookworst sausage and crispy bacon.
About This Recipe
Boerenkoolstamppot (farmer's kale stamppot) is the king of stamppot varieties and the dish most associated with Dutch winter tradition. The word 'boerenkool' means 'farmer's kale' — a tough, curly kale that survives frost and is actually improved by freezing, which reduces its bitterness. The kale is cooked until very soft and then mashed directly into the potatoes — not stirred in gently, but vigorously combined until the two become one. The green-flecked mash should be richly colored, deeply flavored with the kale, and smooth enough to eat with a spoon. Rookworst on top and a gravy (jus) alongside complete the Dutch winter meal.
Ingredients
Serves 4
- 1 kgfloury potatoes(peeled and quartered)
- 500 gcurly kale (boerenkool)(tough stems removed, finely sliced)
- 2 wholerookworst (Dutch smoked sausage)
- 100 gbacon lardons
- 100 mlwarm whole milk
- 60 gbutter
- 1 tspsalt
- 1/2 tspblack pepper
Instructions
- 1
Cook potatoes and kale
Boil potatoes in salted water for 15 minutes. Add kale and cook 5 more minutes until both are very tender. Drain very thoroughly.
- 2
Fry the bacon
Fry bacon lardons until crispy. Set aside.
- 3
Warm the sausage
Poach sausage in barely simmering water for 15 minutes.
- 4
Mash vigorously
Mash potatoes and kale together with warm milk and butter. Season with salt and pepper. The mash should be green-flecked and smooth.
- 5
Serve
Mound the stamppot. Top with sliced sausage and crispy bacon. Serve with gravy if desired.
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Pro Tips
- →
Drain the potatoes and kale extremely well — excess water is the enemy of good stamppot
- →
Don't rush the mashing — work the kale thoroughly into the potato
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Taste and adjust salt at the very end — flavors concentrate as liquids reduce, and a final pinch of flaky salt sharpens the whole dish.
- →
Mise en place pays for itself: chop, measure and pre-mix everything before the heat goes on, especially for any step that moves fast.
Variations
- •
Add mustard to the mash for extra sharpness
- •
Use savoy cabbage if boerenkool is unavailable
- •
Vegetarian: swap the protein for roasted king oyster mushrooms, smoked tofu or cooked chickpeas — adjust seasoning slightly upward to compensate.
- •
Spicier: add a finely chopped fresh chile or a teaspoon of crushed Aleppo/Urfa pepper to the aromatics for warm, layered heat instead of a single sharp hit.
Storage
Keeps 2 days refrigerated. Reheat with a splash of milk to restore creaminess.
History & Origin
Boerenkoolstamppot has been eaten in the Netherlands since at least the 17th century and is traditionally associated with the frost-hardy kale season from November through February.
Frequently Asked Questions
Why is kale better after frost?
Frost converts the kale's starches to sugars, reducing bitterness and adding sweetness. In the Netherlands, the kale season runs November–February when the best frost-touched kale is available.
Can I make this ahead of time?
Yes — most of the components can be prepared up to a day in advance and refrigerated separately. Reheat gently and assemble just before serving so textures stay distinct.
What can I substitute if I don't have all the ingredients?
Stay close to the role each ingredient plays: swap aromatics for similar ones (shallot for onion, lime for lemon), and keep the fat-acid-salt balance intact. Spice blends can usually be approximated with what's in the cupboard.
How do I know it's authentic?
Authenticity sits on a spectrum — what matters more is honoring the technique and balance of flavors. If the dish tastes harmonious and respects how cooks in its home region would build it, you're on solid ground.
Nutrition Facts
Per serving · 4 servings total
Time Summary
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