Alpine Käsespätzle with Gruyère and Caramelized Onions

Germany's answer to macaroni cheese, and frankly the better one. Craggy homemade egg noodles are layered with two alpine cheeses until molten and stringy, then buried under onions cooked down to deep amber sweetness. One skillet, no meat, 45 minutes.

Total: 45 min(Prep: 15m | Cook: 30m)
Servings: 4
Published: Aug 18, 2026

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Alpine Käsespätzle with Gruyère and Caramelized Onions

Nutrition (per serving)

780
Calories
34g
Protein
66g
Carbs
42g
Fat
4g
Fiber

Kasespatzle is what Germany and Austria make instead of macaroni cheese, and it is the better idea. Craggy little egg noodles, scraped fresh into boiling water, get layered with two alpine cheeses until everything turns molten and stringy, then buried under a heap of onions cooked down to deep amber. It is vegetarian, it is unapologetic, and it comes together in about 45 minutes.

Do not skip the resting time on the batter, and do not rush the onions. Ten minutes of rest lets the flour hydrate so the spatzle come out tender rather than rubbery, and the onions need a slow twenty minutes to turn genuinely sweet. If you have no spatzle maker, a colander with wide holes and a rubber spatula works exactly as well.

Step-by-step instructions

Whisk the flour, eggs, milk, nutmeg and a big pinch of salt into a thick, glossy batter, beating hard until it falls from the spoon in slow ribbons. Let it rest for 10 minutes while you start the onions.

Raw uncooked pale yellow spatzle batter being whisked in a ceramic bowl with flour and cracked eggs beside it, before cooking

Melt half the butter in a wide skillet and cook the sliced onions over medium-low heat, stirring now and then, until they collapse into a deep amber tangle. This takes a patient 20 minutes and it is the whole soul of the dish.

Sliced onions caramelizing to deep amber in a buttery skillet

Press the batter through a spatzle maker or the holes of a colander straight into a pot of boiling salted water. The little noodles bob to the surface in about two minutes, then lift them out with a slotted spoon.

Small irregular spatzle noodles floating in bubbling salted water in a wide pot

Wipe out the skillet, melt the rest of the butter and build alternating layers of hot spatzle and the two grated cheeses, seasoning each layer with black pepper.

Layers of hot spatzle noodles and coarsely grated Gruyere and Emmental cheese in a cast iron skillet

Cover and set over low heat for 3 to 4 minutes until the cheese turns molten and stringy, then pile the caramelized onions over the top and shower with chopped chives.

Molten stringy melted cheese spatzle in a cast iron skillet topped with caramelized onions and chopped chives

Serve it straight from the skillet while the cheese is still stretching, with a sharp green salad and something pickled on the side to cut the richness. Leftovers fry up beautifully in butter the next morning, crisped at the edges with a fried egg on top.

Ingredients

  • 2 1/2 cups (300g) all-purpose flour
  • 4 large eggs
  • 3/4 cup (180ml) whole milk
  • 2 large yellow onions, halved and thinly sliced
  • 5 tbsp unsalted butter
  • 7 oz (200g) Gruyère, coarsely grated
  • 3 1/2 oz (100g) Emmental, coarsely grated
  • 1/4 tsp freshly grated nutmeg
  • 2 tbsp chopped chives
  • Sea salt and freshly ground black pepper

Step-by-Step

  1. 1
    Raw uncooked pale yellow spatzle batter being whisked in a ceramic bowl with flour and cracked eggs beside it,

    Whisk the flour, eggs, milk, nutmeg and a big pinch of salt into a thick, glossy batter, beating hard until it falls from the spoon in slow ribbons. Let it rest for 10 minutes while you start the onions.

  2. 2
    Sliced onions caramelizing to deep amber in a buttery skillet

    Melt half the butter in a wide skillet and cook the sliced onions over medium-low heat, stirring now and then, until they collapse into a deep amber tangle. This takes a patient 20 minutes and it is the whole soul of the dish.

  3. 3
    Small irregular spatzle noodles floating in bubbling salted water in a wide pot

    Press the batter through a spatzle maker or the holes of a colander straight into a pot of boiling salted water. The little noodles bob to the surface in about two minutes, then lift them out with a slotted spoon.

  4. 4
    Layers of hot spatzle noodles and coarsely grated Gruyere and Emmental cheese in a cast iron skillet

    Wipe out the skillet, melt the rest of the butter and build alternating layers of hot spatzle and the two grated cheeses, seasoning each layer with black pepper.

  5. 5
    Molten stringy melted cheese spatzle in a cast iron skillet topped with caramelized onions and chopped chives

    Cover and set over low heat for 3 to 4 minutes until the cheese turns molten and stringy, then pile the caramelized onions over the top and shower with chopped chives.

Recipe

Alpine Käsespätzle with Gruyère and Caramelized Onions

Alpine Käsespätzle with Gruyère and Caramelized Onions
Prep Time
15 min
Cook Time
30 min
Total Time
45 min
Servings
4

Ingredients

  • 2 1/2 cups (300g) all-purpose flour
  • 4 large eggs
  • 3/4 cup (180ml) whole milk
  • 2 large yellow onions, halved and thinly sliced
  • 5 tbsp unsalted butter
  • 7 oz (200g) Gruyère, coarsely grated
  • 3 1/2 oz (100g) Emmental, coarsely grated
  • 1/4 tsp freshly grated nutmeg
  • 2 tbsp chopped chives
  • Sea salt and freshly ground black pepper

Instructions

  1. 1

    Whisk the flour, eggs, milk, nutmeg and a big pinch of salt into a thick, glossy batter, beating hard until it falls from the spoon in slow ribbons. Let it rest for 10 minutes while you start the onions.

  2. 2

    Melt half the butter in a wide skillet and cook the sliced onions over medium-low heat, stirring now and then, until they collapse into a deep amber tangle. This takes a patient 20 minutes and it is the whole soul of the dish.

  3. 3

    Press the batter through a spatzle maker or the holes of a colander straight into a pot of boiling salted water. The little noodles bob to the surface in about two minutes, then lift them out with a slotted spoon.

  4. 4

    Wipe out the skillet, melt the rest of the butter and build alternating layers of hot spatzle and the two grated cheeses, seasoning each layer with black pepper.

  5. 5

    Cover and set over low heat for 3 to 4 minutes until the cheese turns molten and stringy, then pile the caramelized onions over the top and shower with chopped chives.

Nutrition Facts
4 servings per recipe
Serving size1 serving
Calories780
% Daily Value*
Total Fat 42g54%
Total Carbohydrate 66g24%
Dietary Fiber 4g14%
Protein 34g68%

* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

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