42min · 20 servings 2 1/2 cups (280 grams) finely ground graham - cracker crumbs 1/3 cup plus 1 tablespoon granulated sugar 1/4 teaspoon ground cardamom 1 large pinch sea salt 9 tablespoons (128 grams) unsalted butter, melted 3/4 cup cold water 1/2 cup granulated sugar 2 tablespoon plus 1/4 teaspoon powdered gelatin (2 1/2 teaspoon per pack 1/2 cup heavy whipping cream, chilled 4 ounces cream cheese, at room temperature 1 30 - ounce can Alphonso mango puree (3 1/4 cups) 1 large pinch sea salt