Pâte à croustade II–bonne santé

Name: Pâte à croustade II–bonne santé (Short pastry with margarine)
Cuisine: French
Ingredients: 1 whole egg beaten with 1 tablespoon milk; 1 whole egg beaten with 1 tablespoon milk; 8 tablespoons (115 g) unsalted margarine; 2 tablespoons (30 g) unsalted butter; 1 teaspoon salt; 2 cups (260 g) all-purpose flour