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Zwiebel Kuchen – Onion Cake/Tart – Recipe

Onion Quiche - serving pieceAunt Elisabeth is a great cook, and she is always willing to share her German recipes with all of us.

I already posted her recipe for Beef Roulade, which is my husband’s favorite beef dish.

Today I will post her recipe for Zwiebel Kuchen, which her daughter absolutely loves, and it’s a must on her birthday menu.  It is also a great dish to be included in a brunch menu, light lunch, or dinner, as well as for parties.  Great for Octoberfest parties!!

The crust may be made from scratch, but for a quicker version, she uses crescent roll ready made dough, as in this recipe.


  • 1 container of Crescent ready made dough ( see TIP below)
  • 1/4 lb. bacon (6-8 slices)
  • 6 large onions
  • 3 eggs
  • 1 cup sour cream, or buttermilk (I used 1/2 cup sour cream and 1/2 cup plain yogurt)
  • 1/2 cup all purpose flour
  • 1/2 tsp baking powder
  • 1 Tbs Caraway Seeds
  • 1 tsp salt
  • 1 tsp black pepper
  • 1/4 cup chopped chives (optional, but I added it in)


  1. In a large saucepan, fry the bacon, until fairly crispy.
  2. Remove, and set aside to cool.
  3. Once cooled, crumble it up, and set aside.
  4. Leave about 2 Tbs of bacon fat in the pan, and add the chopped onions.

Sauteed Onions

5.  Fry onions to a golden color.

6.  Remove from stove, and set aside to cool.

7.  Remove the ready made crescent dough from a container.

8.  Spread on a lightly floured work area, and roll it out to form a circle, about 1 inch larger than the pie dish to be used for baking.

Dinner Roll base

9.  Place the dough in an ungreased, 10 inch glass pie dish, and press it down to  cover the bottom and sides of the pan.

10.  Set aside.

11.  In a medium mixing bowl, add 3 eggs, and beat for a couple of minutes.

12.  Mix in sour cream (yogurt), chives, salt, pepper, caraway seeds, and half of the bacon crumbs.

13.  Add flour and baking powder, and mix to create a smooth pasty filling.

14.  Fold in fried onions.

Quiche filling mixture

15.  Pour the mixture into the prepared pie shell, and smooth the top with the back of a spoon.

Crumbled bacon topping

16.  Sprinkle the bacon crumbs over the top of the mixture.

17.  Place in a preheated oven to 350 degrees.

18.  Bake uncovered for 45 minutes, or test it with a toothpick, by inserting it in the middle of the tart, and if it comes out dry, the tart is done.

Onion Quiche - baked 2

19.  Remove from the oven, and let it cool in the baking dish, on a wire cooling rack.

This onion cake/quiche/tart tastes great warm, as well as at room temperature.

It’s light creamy texture, in addition to the sweetness of the sauteed onions with bacon flavor, makes this a delicious dish for any occasion. Yum!

TIP: You may also make your own pie crust, use a ready made pie crust, Phillo Pastry, or make it crustless.  For crustless tart, you will need to grease lightly the pie pan and sprinkle generously, the bottom and sides, with flavored bread crumbs.  Also, you will need to cut down on the baking time by about 10 minutes.  For best results, do the toothpick test.

2 thoughts on “Zwiebel Kuchen – Onion Cake/Tart – Recipe”

  1. Marilyn says:

    Yummy.. I will be making this but without the crust! thanks for sharing!

  2. Suburban Grandma says:

    I am sure you will love it. I also like it better without the crust.

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