🇨🇭 Swiss Cuisine

Zwiebelkuchen

Swiss Onion Tart

Prep Time 45 min
Servings 6
Difficulty Medium
Calories 376 kcal

A savory custard tart loaded with slowly caramelized onions, enriched with cream and eggs on a crisp pastry base, served warm with new wine.

Ingredients

  • Pastry: 200g flour, 100g cold butter, 1 egg yolk, 3 tbsp water, salt
  • 1kg onions, thinly sliced
  • 3 tbsp butter
  • 3 eggs
  • 200ml cream
  • 100ml sour cream
  • 2 tbsp flour
  • Salt, pepper, nutmeg, caraway seeds

Instructions

  1. 1 Make pastry: rub butter into flour, add egg yolk, water, and salt. Chill 30 min.
  2. 2 Slowly cook onions in butter over low heat for 30 min until deeply golden and sweet. Season.
  3. 3 Roll out pastry and line a 26cm tart pan. Prick the base.
  4. 4 Spread caramelized onions over the pastry.
  5. 5 Whisk eggs, cream, sour cream, flour, and seasonings. Pour over the onions.
  6. 6 Sprinkle with caraway seeds.
  7. 7 Bake at 190°C (375°F) for 35-40 min until set and golden. Cool slightly before serving.

Did You Know?

Zwiebelkuchen is inseparable from Federweisser (new wine) — the two are only available together during the autumn wine harvest season.

From The Culinary Codex — http://theculinarycodex.com/dish/swiss/zwiebelkuchen/