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Zwiebelkuchen - German Onion Pie

Zwiebelkuchen, a traditional German onion pie, combines caramelized onions and smoky bacon in a creamy filling, all in a buttery crust. Perfect for fall gatherings, it's a taste of German comfort.
Prep Time30 minutes
Cook Time50 minutes
Total Time1 hour 20 minutes
Course: Main Course
Cuisine: German
Keyword: German Onion Pie, Savory Pie, Traditional German Recipes, Zwiebelkuchen
Servings: 8 servings
Calories: 435kcal

Ingredients

For the Crust

  • 2 cups All-Purpose Flour
  • ½ cup Unsalted Butter cold and cubed
  • ¼ cup Water cold
  • ½ tsp. Salt

For the Filling

  • 5 large Sweet Onions thinly sliced
  • 6 oz. Bacon diced
  • 1 cup Sour Cream
  • 3 large Eggs
  • 1 tbsp. All-Purpose Flour
  • 1 tsp. Caraway Seeds optional
  • 1 tsp. Salt
  • ½ tsp. Black Pepper ground
  • ¼ tsp. Nutmeg ground

Instructions

Crust

  • Prepare Dough: In a large bowl, combine the flour and salt. Cut in the butter until the mixture resembles coarse crumbs. Add the cold water, a tablespoon at a time, mixing until the dough comes together. Form into a disk, wrap in plastic wrap, and refrigerate for at least 30 minutes.
    2 cups All-Purpose Flour, ½ cup Unsalted Butter, ½ tsp. Salt, ¼ cup Water
  • Roll Out Dough: Preheat the oven to 375°F (190°C). On a lightly floured surface, roll out the dough to fit a 10-inch (25cm) tart pan with a removable bottom. Press the dough into the pan and trim any excess. Prick the bottom with a fork.

Filling

  • Cook Bacon: In a large skillet, cook the bacon over medium heat until crisp. Remove with a slotted spoon and drain on paper towels.
    6 oz. Bacon
  • Caramelize Onions: In the same skillet, add the sliced onions and cook over medium heat until they are soft and golden brown, about 20 minutes. Allow to cool slightly.
    5 large Sweet Onions
  • Mix Filling: In a large bowl, whisk together the sour cream, heavy cream, eggs, flour, salt, pepper, and nutmeg. Stir in the caramelized onions, cooked bacon, and caraway seeds if using.
    1 cup Sour Cream, 3 large Eggs, 1 tbsp. All-Purpose Flour, 1 tsp. Caraway Seeds, 1 tsp. Salt, ½ tsp. Black Pepper, ¼ tsp. Nutmeg

Assemble & Bake

  • Fill Crust: Pour the filling into the prepared crust, spreading it evenly.
  • Bake: Bake in the preheated oven for 45-50 minutes, until the filling is set and the crust is golden brown.
  • Cool: Allow to cool slightly before slicing and serving.

Nutrition

Calories: 435kcal | Carbohydrates: 36g | Protein: 10g | Fat: 28g | Saturated Fat: 14g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 9g | Trans Fat: 1g | Cholesterol: 131mg | Sodium: 660mg | Potassium: 289mg | Fiber: 3g | Sugar: 5g | Vitamin A: 648IU | Vitamin C: 7mg | Calcium: 76mg | Iron: 2mg