Tarte Au Chocolat Aux Poires

Name: Tarte Au Chocolat Aux Poires
Yield: Serves 8
Ingredients: 1 egg, lightly beaten; 55 g/2 oz ground pistachios; 170 g/6 oz plain flour; 55 g/2 oz butter; finely diced; 85 g/3 oz butter; softened; 85 g/3 oz dark chocolate, melted; 30 g/1 oz flour, sifted; 85 g/3 oz caster sugar; 2 large ripe pears, peeled and quartered, preferably Cornice, but Williams or Conference will work well too; 55 g/2 oz caster sugar