Mashed potatoes: the basic recipe — and the three mistakes that ruin them
Mashed Potatoes are Not Purée: The Basic Recipe with Waxy Potatoes, Three Variations from Brown Butter to Root Vegetables — and Why a Blender is Taboo.
Mashed potatoes are the most honest dish in German cuisine — and that's precisely why they're so easy to ruin. Too much stirring makes them sticky, the wrong potato makes them watery, and without courage to season, they remain a bland side dish that no one misses.
Here's the basic recipe that always works — along with the question of all questions (waxy or floury?), three variations, and the mistakes you only need to make once.
The Basic Recipe for Mashed Potatoes
For 4 servings as a side dish:
- 1 kg predominantly waxy potatoes
- 80 g butter
- 100–150 ml hot milk (depending on desired consistency)
- Salt, nutmeg — or a potato spice blend of your choice
- Peel the potatoes, cut them into rough pieces, and cook them in well-salted water for 18–20 minutes until tender.
- Drain and let them steam for one minute in the hot pot — the most important and often skipped step. Residual water is the enemy of any mash.
- Add butter in pieces and roughly mash the potatoes with a fork or masher. Deliberately leave some chunks.
- Gradually fold in hot milk until the consistency is right. Do not stir, only fold.
- Season with salt and freshly grated nutmeg — or with half a teaspoon of mashed potato spice blend, which brings roasted onions, smoked salt, and fenugreek all in one go.

Waxy or Floury? The Potato Question
For mashed potatoes with a bite, use predominantly waxy varieties like Laura or Belana — they retain structure and yield the rustic, chunky result this article is dedicated to. Floury varieties like Adretta or Ackersegen break down more finely and absorb more milk: creamier, softer, closer to a purée.
Both are correct; they are simply two different dishes. The difference from purée lies anyway in the technique: purée is pressed through a ricer and stirred smooth, while mashed potatoes are crushed and remain coarse. Anyone who puts mashed potatoes through a blender gets neither, but rather glue — more on that below.
Three Variations for Mashed Potatoes
- With brown butter: Froth the butter before folding it in until it smells nutty and is golden brown. The roasted aromas elevate the mashed potatoes to restaurant quality — especially with hand-churned butter, whose higher fat content gives the dish noticeably more melt-in-your-mouth richness.
- With olive oil instead of butter: The Mediterranean school — robust olive oil, plus a little lemon zest. Perfect with fish and suitable for vegan cuisine.
- With root vegetables: Replace a third of the potatoes with parsnips, celery, or sweet potatoes and cook them together. The smoky roasted onion note of the mashed potato spice blend goes well with all three.
From experience: Mashed potatoes don't like to wait. Mash, season, serve — the longer they sit in the pot, the more structure they lose. If there are leftovers: The next day, fry them in a pan with a little butter until a crust forms. Some claim they taste best this way.
The Three Most Common Mistakes
- The blender. Immersion blenders and food processors tear the potato's starch cells; the released starch turns the mash into a sticky, tough mass. There's no way back — only use a fork, masher, or ricer.
- Cold milk. It cools down the mash and makes it streaky. Always heat milk before adding it to the potatoes.
- Skipping the steaming. Wet potatoes result in watery mash that even a lot of butter can't save. One minute in the hot pot is enough.
What Goes Well with Mashed Potatoes?
The classics: meatballs, bratwurst, pot roast, fried fish, fried egg with spinach. But mashed potatoes can also play the main role — with brown butter, roasted onions, and a hearty salad, they make a complete dinner. For the vegetable side of the plate, the vegetable seasoning from the same Klingenberger manufactory is recommended — this gives both halves of the plate depth without the need for a roasting pan.
Frequently Asked Questions
Which potatoes are best for mashed potatoes?
Predominantly waxy varieties for chunky, rustic mash; floury varieties for a creamier texture. Only very waxy salad potatoes are unsuitable; they remain too compact even when mashed.
Mashed potatoes with milk or butter?
Preferably both: butter for flavor and binding, hot milk for consistency. If you like it richer, partially replace the milk with cream or crème fraîche.
Why do my mashed potatoes turn sticky?
Almost always, it's because they were blended or stirred for too long. The released starch turns the mixture into a sticky mass. Mash roughly and only fold, and that won't happen.
Can you reheat mashed potatoes?
Yes, preferably in a pan with a little butter — fried with a crust, they are a specialty in themselves. In the microwave, they become soft and lose their structure.
How do you season mashed potatoes correctly?
The minimum: good salt and fresh nutmeg. The convenient solution: a ready-made blend like Ingo Holland's mashed potato seasoning, created in collaboration with Tim Mälzer. It already contains salt — season to taste only at the end.
For the perfect mash from our range
- The seasoning: Mashed potato seasoning — roasted onions, smoked salt, and fenugreek from Alte Gewürzamt.
- The butter: Bordier butter — hand-churned from Brittany, the difference is palpable.
- The salt: Flor de Sal — as a crispy finish over the finished plate.
- For the vegetables on the side: Vegetable seasoning — umami for the side dish to the side dish.
Read more about the blend dedicated to mashed potatoes and its unusual origin story between a Michelin-starred chef and a TV chef on the product page for the mashed potato seasoning. And if you're thinking about baking right after the main course: The gingerbread spice guide is already waiting.