Flan Pâtissier

Flan pâtissier, often called Parisian custard tart, is one of the most beloved desserts in French bakeries – simple yet elegant, creamy yet light. With its silky vanilla custard baked into a buttery pastry crust, this classic treat embodies the understated charm of French pâtisserie. It’s not overly sweet or heavy, which makes it perfect as a dessert after dinner, a sweet afternoon snack, or even a breakfast indulgence with coffee.

At its core, flan pâtissier is made with a rich, egg-based custard gently infused with vanilla. The custard is poured into a crisp, buttery shortcrust pastry shell and baked until it sets into a smooth, creamy filling with a slightly caramelized surface. The result is a dessert that’s both comforting and sophisticated, with a texture that’s firm enough to slice but melts beautifully on the tongue. The balance of flavors, delicate vanilla, creamy custard, and flaky pastry, is pure perfection.

What makes this French tart truly special is its versatility. While the traditional version keeps things simple, you can also flavor the custard with a hint of citrus zest, a splash of rum, or a touch of almond extract for a subtle twist. Some bakers top it with a thin layer of powdered sugar or serve it with seasonal fruit, but it’s just as delicious enjoyed plain and chilled straight from the fridge.

Flan pâtissier is also a fantastic make-ahead dessert. It keeps well for several days, and its flavor deepens as it rests, making it ideal for preparing in advance for gatherings or celebrations. It’s a timeless recipe that brings a taste of classic French baking into your home with minimal fuss and maximum reward.

Elegant yet comforting, flan pâtissier is proof that the simplest desserts often leave the most lasting impression. One slice is never enough, and once you’ve tasted it fresh from your own oven, you’ll understand why this custard tart is a staple of French patisserie windows.

Flan Pâtissier

3.46 from 50 votes

A classic French custard tart with a rich, creamy filling and a perfectly flaky crust.

Servings 8 people

Prep Time 20 minutes mins

Cook Time 50 minutes mins

Total Time 1 hour hr 9 minutes mins

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Ingredients

  

1x2x3x

• 1 sheet puff pastry large enough to fit a 9-inch pie dish
• 500 ml whole milk or 2% milk
• 125 g granulated sugar
• 1 tbsp vanilla extract
• 4 large eggs room temperature
• 50 g cornstarch sifted
• 20 g unsalted butter cut into small cubes

Instructions

 

• Preheat the oven to 180°C (350°F).
• Line a 9-inch pie dish with the puff pastry, trimming any excess.
• In a saucepan, heat the milk over medium heat until it just begins to simmer. Remove from heat.
• In a bowl, whisk together the sugar, eggs, vanilla extract, and cornstarch until smooth.
• Gradually pour the hot milk into the egg mixture, whisking constantly to prevent curdling.
• Pour the mixture back into the saucepan and cook over medium heat, stirring continuously, until thickened.
• Remove from heat and stir in the butter until fully melted and incorporated.
• Pour the custard into the prepared pie dish and smooth the top.
• Bake in the preheated oven for 40-50 minutes, or until the top is set and lightly browned.
• Allow to cool at room temperature before refrigerating for at least 2 hours before serving.

Nutrition

Serving: 1gCalories: 310kcalCarbohydrates: 38gProtein: 6gFat: 15gSaturated Fat: 8gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gCholesterol: 110mgSodium: 160mgPotassium: 130mgFiber: 1gSugar: 25gVitamin A: 10IUCalcium: 10mgIron: 5mg

Calories: 310kcal

Meal Type: Dessert

Cuisine: French

Keyword: dessert, French cuisine, pastry

Cooking Method: Baked

Diet: Gluten-free

Time: >45 Min

Level: Easy

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