Traditional Basque Cake: Authentic and Delicious Recipe

The Basque cake is an iconic pastry from the Basque Country, famous for its crispy shortcrust pastry and soft filling.
Ingredients

For the shortcrust pastry
300 g flour
150 g sugar
1 sachet vanilla sugar
1/2 sachet baking powder
150 g softened butter
2 eggs + 1 yolk for glazing
1 pinch salt
For the filling of your choice
Option 1: Vanilla pastry cream
250 ml milk
2 egg yolks
50 g sugar
25 g cornstarch
1 vanilla pod or 1 teaspoon vanilla extract
Option 2: Black cherry jam
200 g homemade black cherry jam
Instructions