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Flan au Citron : La Recette Grand-Mère à la Suavité Exceptionnelle

Flan au Citron

Le flan au citron est un dessert réconfortant qui associe la douceur crémeuse d’un flan traditionnel à la fraîcheur acidulée du citron. Sur une base de pâte croustillante repose un appareil onctueux parfumé au jus et au zeste de citron. Facile à préparer, ce dessert familial offre un équilibre parfait entre fondant et fraîcheur, idéal pour terminer un repas sur une note légère et gourmande.
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Prep Time 30 minutes
Cook Time 1 hour
Total Time 1 hour 30 minutes
Servings: 8 slices
Course: Dessert
Cuisine: French
Ingredients Method Notes

Ingredients
  

Shortcrust Pastry
  • 250 g all-purpose flour
  • 125 g cold butter cubed
  • 1 egg yolk
  • 2 tbsp cold water
  • 1 pinch salt
Lemon Custard Filling
  • 750 ml whole milk
  • 250 ml heavy cream 30% fat
  • 150 g granulated sugar
  • 90 g cornstarch
  • 4 eggs
  • 120 ml lemon juice freshly squeezed
  • 3 lemon zest from untreated lemons
  • 0.5 tsp turmeric optional, for color

Method
 

  1. Prepare the pastry by mixing flour, butter, egg yolk, salt, and cold water until a dough forms. Shape into a ball, wrap, and chill for 30 minutes.
  2. Roll out the dough and line a 22 cm tart pan with high edges. Prick the base with a fork and refrigerate while preparing the filling.
  3. In a saucepan, heat the milk and cream with the lemon zest until just boiling, then remove from heat.
  4. In a bowl, whisk the eggs with sugar until smooth. Add the cornstarch and mix until fully incorporated.
  5. Slowly pour the hot milk mixture over the eggs while whisking. Strain to remove the zest if desired.
  6. Return the mixture to the saucepan and cook over medium heat while whisking until it thickens into a smooth custard.
  7. Remove from heat and stir in the fresh lemon juice and turmeric if using.
  8. Pour the custard over the prepared pastry base and smooth the surface.
  9. Bake in a preheated oven at 180°C for about 40 minutes until the top is golden and slightly caramelized.
  10. Allow the flan to cool completely, then refrigerate for at least 4 hours before slicing for the best texture.

Notes

For extra lemon flavor, add additional zest to the custard mixture. The flan can be stored in the refrigerator for up to three days, covered with plastic wrap. Let it chill thoroughly before slicing to achieve clean slices.