Alsatian Onion Tart

"From the Christmas Cookbook by Nanette Newman. Alsatian (Alsace) wine is a French dry white wine. I have included preparation for a homemade pastry tart, but feel free to use a pre-made one. Cooking time includes chilling time for pastry dough if making your own."
photo by Cookin-jo photo by Cookin-jo
photo by Cookin-jo
photo by Cookin-jo photo by Cookin-jo
photo by Cookin-jo photo by Cookin-jo
photo by MarraMamba photo by MarraMamba
Ready In:
1hr 30mins




  • Sift the flour into a large bowl then rub in the butter with your (clean) fingers until the mixture resembles fine breadcrumbs.
  • Mix the egg yolks with the salt and 3 tablespoons water. Stir into the flour, using a knife, to make a soft and smooth (but not sticky) dough. Add the extra tablespoon of water if the mixture is too dry.
  • Pat the dough into a ball, wrap up in cling film and refrigerate for 30 minutes.
  • Preheat the oven to 220C/425°F.
  • Roll out the pastry on a floured surface and use to line a 10-inch tart pan.
  • Prick the pastry all over with a fork and bake blind for 10-12 minutes. Remove from oven and let cool.
  • Lower the temperature of the oven to 190C/375F and place a baking sheet in the oven to heat.
  • Heat the oil in a non-stick frying pan. Add the onions, bay leaf, thyme, salt and pepper. Cover and cook gently until the onions are soft and transparent, stirring occasionally.
  • Add the wine and simmer, uncovered, until all the liquid has evaporated.
  • Remove the bay leaf and taste for seasoning.
  • Whisk the eggs and cream together.
  • Spread the onions into the pastry crust and pour in the egg mixture.
  • Place on the hot baking sheet and bake for 15 minutes.
  • May be served hot or room temperature.

Questions & Replies

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  1. lidlamzdiv
    Any suggestions for replacing the wine? Neither of us drink any alcohol & we have a (recovered) alcoholic in the home. (No need tempting) Thanks in advance.


  1. Allybee Z
    Great recipe culinary queen! Simple crust, clean bright flavors. served along side roasted bacon wrapped asparagus
  2. CookingONTheSide
    This is just excellent and impressive. I made my own pastry crust. The combination of flavors in this recipe are just perfect. A very impressive appetizer.
  3. hmelleyrn
    Excellent!!! Just a few tweaks and this would have five stars. I used a pre-made crust that I rolled out into my tart pan. I only used one large onion but it still seemed like to much...will decrease to 3/4 next time. i didn't have the Alsatian wine, just used a white table wine and the flavor was very good. Needs just a little "kick" of something else so i am going to add a touch of chopped bacon or pancetta the next time around. thanks!
  4. Cookin-jo
    Excellent! The flavours of the onions, wine and thyme are perfect together, and perfectly balanced. Not only does this tart taste great, it looks great as well. I used my own pie pastry and a dry white wine from Alsace, and a combination of red and yellow onions. I cut the olive oil by half. I made mini tarts as appetizers instead of one large tart. Very impressive. Thank you for posting this, CulinaryQueen.
  5. MarraMamba
    a great recipe. I realized to late i did not have cream so substituted low fat sour cream and it was delicious. Balanced the sweetness of the onions nicely. Scaled it in half and truly enjoyed it. would be good as side, appetizer or a main meal.


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