Name: Basque Cake (Gâteau Basque)
Prep time: 30 min
Cook time: 50 min
Total time: 2 h 20 min
Yield: 8 servings
Cuisine: French
Ingredients: 250 g All-purpose flour; 125 g Granulated sugar; 125 g Unsalted butter, cold and cubed; 2 Large egg yolks; 1 pinch Salt; 1 tsp Vanilla extract; 1 tsp Lemon zest (optional); 500 ml Whole milk; 100 g Granulated sugar (for cream); 4 Large egg yolks (for cream); 30 g All-purpose flour (for cream); 30 g Cornstarch; 20 g Unsalted butter (for cream); 1 tsp Vanilla bean, scraped, or extract; 1 Large whole egg, beaten (for egg wash)

Gâteau Basque is a traditional French dessert from the Basque Country, featuring a tender, buttery shortcrust pastry (pâte sablée) encasing a rich, creamy filling, typically either pastry cream (crème pâtissière) or black cherry jam. It's known for its distinctive golden crust, often adorned with a Basque cross design, offering a delightful contrast of textures and flavors. Originating in the French Basque Country, particularly in Cambo-les-Bains, Gâteau Basque was historically made with maize flour and local fruits. It evolved into the buttery pastry and custard or jam-filled cake we know today, becoming a beloved symbol of Basque culinary heritage often enjoyed at celebrations and family gatherings.

Instructions

1
**Prepare the Pastry (Pâte Sablée):** In a large bowl, combine 250g flour, 125g granulated sugar, and salt. Add the 125g cold, cubed butter and cut into the flour mixture using a pastry blender or your fingertips until it resembles coarse crumbs.
2
Add the 2 egg yolks, 1 tsp vanilla extract, and lemon zest (if using). Mix until just combined and the dough forms a ball. Do not overmix. Divide the dough into two discs (one slightly larger for the bottom crust), wrap tightly in plastic, and chill for at least 1 hour.
3
**Prepare the Pastry Cream (Crème Pâtissière):** Heat 500ml whole milk in a saucepan until simmering. In a separate bowl, whisk 4 egg yolks and 100g granulated sugar until pale and creamy. Sift in 30g flour and 30g cornstarch, whisking until smooth and lump-free.
4
Gradually whisk about half of the hot milk into the egg mixture to temper it. Pour the tempered mixture back into the saucepan with the remaining milk. Cook over medium heat, whisking constantly, until the cream thickens significantly and boils for 1 minute.
5
Remove from heat, stir in 20g butter and 1 tsp vanilla. Transfer the pastry cream to a clean bowl, cover with plastic wrap directly on the surface to prevent a skin from forming, and chill completely for at least 2 hours or until firm.
6
**Assemble the Gâteau:** Preheat oven to 350°F (175°C). Lightly grease an 8-inch (20 cm) springform pan or tart pan. Roll out the larger pastry disc on a lightly floured surface to fit the bottom and sides of the pan. Carefully line the pan with the pastry, pressing it gently up the sides. Trim any excess dough.
7
Pour the chilled pastry cream into the pastry-lined pan, spreading it evenly. Roll out the second pastry disc and carefully place it over the cream filling. Trim the edges and crimp them firmly to seal the top and bottom crusts together.
8
Brush the top crust with the beaten whole egg. Using a fork or a small knife, gently score a decorative pattern, such as the traditional Basque cross (lauburu), onto the top, being careful not to cut through the pastry.
9
**Bake:** Bake for 40-50 minutes, or until the pastry is deeply golden brown and firm to the touch. If the top browns too quickly, you can loosely tent it with aluminum foil.
10
**Cool and Serve:** Let the Gâteau Basque cool completely in the pan on a wire rack before carefully unmolding and slicing. It is best served at room temperature or slightly chilled.

Chef's Tips

•**Storage:** Store Gâteau Basque at room temperature for up to 2 days, covered tightly. For longer storage, refrigerate for up to 4 days, but bring to room temperature before serving for optimal flavor and texture.
•**Substitution:** For a traditional alternative, replace the pastry cream filling with a high-quality black cherry jam (confiture de cerises noires), a staple in the Basque region.
•**Fun Fact:** The distinctive cross often scored on top of the Gâteau Basque is called a "lauburu," a traditional Basque symbol of prosperity and the four elements, representing fire, water, air, and earth.
•**Pastry Handling:** Ensure your butter and egg yolks are very cold when making the pastry. This helps create a tender, flaky crust. Avoid overworking the dough, as this can develop the gluten and make the pastry tough.