Classic Mont Blanc Pastry (Chestnut Cream Meringue) - Kosher.com

Name: Classic Mont Blanc Pastry (Chestnut Cream Meringue) - Kosher.com
Ingredients: food scale; piping bag; large piping tip; nine-inch tart shell ring mold; 9-hole piping tip; 1260 grams (44.4 ounces) water, divided; 120 grams (4.2 ounces) margarine or vegan butter; 1 whole vanilla bean; 120 grams (4.2 ounces) egg yolk; 240 grams (8.4 ounces) sugar; 160 grams (5.6 ounces) cornstarch; non-dairy whipped topping; 200 grams (6 and 3/4 ounces) egg whites (whites from about 7 extra-large eggs); 400 grams (14 ounces) sugar; 400 grams (14 ounces, or 3 and 1/2 cups) all-purpose flour; 150 grams (5.3 ounces, or 1 and 1/2 cups) Gefen Confectioners’ Sugar; 240 grams (8.4 ounces, or 1 cup) vegan butter or margarine; 50 grams (5 tablespoons) almond flour; 2 eggs; 500 grams (17.6 ounces) chestnut purée; 250 grams (8.8 ounces) chestnut paste; 250 grams (8.8 ounces) chestnut cream; 35 grams (3 and 1/2 tablespoons) Gefen Honey; 125 grams (4.4 ounces) soy milk; 125 grams (4.4 ounces) vegan butter or margarine, well softened; Gefen Confectioners’ Sugar