fresh blueberry tart with vanilla cream

Name: fresh blueberry tart with vanilla cream
Ingredients: tart shell (pate sucree); 1 1/2 pounds flour; 8 ounces sugar; 1 1/2 teaspoons baking powder; 1 teaspoon salt; 8 ounces unsalted butter, cut into 1/2 inch chunks; 5 eggs; vanilla pastry cream and topping; 1 pint milk; 2 ounces cornstarch; 4 ounces sugar; 1 egg + 4 yolks; 4 ounces butter, cut into 1/2 inch chunks; 1 vanilla bean, scraped (or 1/4 fl oz vanilla extract); 1/2 pint fresh blueberries; 1/4 cup apricot nappage (1/4 cup apricot jam diluted with 2 tbsp water)