Bülledünne – savoury onion tart

The Lake Constance region, a true paradise for gourmets thanks to its fertile soils and mild climate, is the birthplace of exceptional food products. Among these, the iconic Lake Constance onion stands out, not only for its distinctive red colour but also for its bold flavour. This onion holds the European quality label “Protected Geographical Indication” and is cultivated by farmers on the Höri peninsula. It is often sold directly at roadside stalls or in farm shops, and can also be found as a souvenir in braided form. The Büllefest takes place every year on 1st October, where Büllebrot, Büllesuppe, Bülle Maultaschen, or savoury cakes with a Bülle topping are served.

Find more information about the Lake Constance region, click here.

Bülledünne - savoury onion tart

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Serves: 2 Prep Time:
Nutrition facts: 200 calories 20 grams fat
Rating: 5.0/5
( 1|1 voted )

Ingredients

  • For the pastry
  • 350 g flour
  • 5 g fresh baker's yeast
  • 150 g warm water
  • 1 to 2 tbsp oil
  • a little salt
  • 5-6 large Höri-Bülle red onions
  • 2 eggs
  • 1 tbsp flour or cornflour
  • 2 tbsp. butter
  • For the garnish
  • 200 g sour cream
  • 200 g fresh cream
  • 1 à  2c.à s. de persil haché
  • salt
  • pepper
  • nutmeg

Instructions

  1. Pour a little flour into a bowl, form a well, add a little warm water and mix with the crumbled yeast.
  2. Leave the leaven to rise for around 15 minutes.
  3. Add the remaining flour, water, oil and salt and knead to a soft dough.
  4. The longer the dough is kneaded, the easier it is to digest.
  5. Thinly slice the onions and fry in the butter. Season with salt
    and pepper.
  6. Mix the remaining ingredients with the cooled onions and arrange on a baking tray on which the pastry has been spread.
  7. Bake in a preheated oven at 250°C (230°C fan oven) for 20-25 minutes, then sprinkle with parsley and serve warm.

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