Ingredients

• For the crust
• 1 1/2 cups all-purpose flour
• 1/2 tsp salt
• 1/2 cup unsalted butter, cold and cubed
• 3–4 tbsp cold water
• For the filling
• 4 large onions, thinly sliced
• 2 tbsp butter
• 3 eggs
• 1 cup sour cream or crème fraîche
• 1/2 tsp salt
• 1/4 tsp ground nutmeg
• 1/4 tsp black pepper
• 1/2 cup grated cheese Gruyère or Emmental
• Optional: 3–4 slices bacon, chopped and cooked omit for a pork-free version

Directions

• In a bowl, mix flour and salt. Cut in cold butter until crumbly. Add water one tbsp at a time until dough forms. Chill for 30 minutes.
• In a skillet, melt butter and cook onions over medium-low heat until golden and soft, about 20–25 minutes. Let cool slightly.
• Preheat oven to 375°F.
• In a bowl, whisk together eggs, sour cream, salt, nutmeg, and pepper. Stir in cooled onions and cheese plus bacon if using.
• Roll out crust and place in a tart or pie pan. Pour in the onion mixture. Bake for 35–40 minutes until golden and set.
• Let rest for 10 minutes before slicing. Best served warm.

Notes

• 6-11-25 1/2 Recipe
• No Changes
• I used store-bought roll out crust
• A hearty, savory classic straight from Germany! Zwiebelkuchen is a delicious onion pie with a tender crust, sweet caramelized onions, and a creamy, cheesy filling. Perfect for cozy evenings or Oktoberfest vibes!
• Gruyère is a Swiss cheese known for its nutty, creamy flavor. If you're looking for substitutes, here are some options:
• Similar Cheeses
• Emmental: Another Swiss cheese, Emmental has a similar nutty flavor and creamy texture.
• Comté: A French cheese, Comté has a rich, nutty flavor similar to Gruyère.
• Jarlsberg: A Norwegian cheese, Jarlsberg has a mild, nutty flavor that works well in many dishes.
• Other Options
• Swiss cheese: Generic Swiss cheese can be a good substitute, although it might not have the same level of complexity as Gruyère.
• Cheddar: A sharp cheddar can work well in some recipes, but keep in mind it has a different flavor profile.
• Considerations
• When substituting Gruyère, consider the specific recipe and the flavor profile you're aiming for. Some cheeses might melt differently or have a stronger flavor, so adjust accordingly.

Photos