Blackberry Pear Mille Feuille

Name: Blackberry Pear Mille Feuille
Cook time: 25 min
Total time: 25 min
Cuisine: European, Mediterranean, French
Ingredients: 75 grams fresh ginger, sliced into 1/4-inch pieces (about 1/2 cup sliced ginger); 240 milliliters whole milk (1 cup), plus more for topping up; 60 grams egg yolk (about 3 large yolks); 15 grams all purpose flour (1 tablespoon + 1 teaspoon); 15 grams cornflour/cornstarch (1 tablespoon + 2 teaspoons); 1 teaspoon vanilla bean paste; 50 grams granulated sugar (1/4 cup), divided; 1 sheet puff pastry, thawed according to package directions if frozen; 16 blackberries, plus more to garnish; 2 pears, cored and thinly sliced; Confectioner’s sugar, for dusting