Chocolate Shortbread Sandwich Cookies Recipe

Ingredients (9)

• 8 ounces bittersweet chocolate, finely chopped
• 3/4 cup heavy cream
• 2/3 cup (2 2/3 ounces) plus 1 tablespoon confectioners' sugar, divided
• 16 tablespoons (8 ounces) unsalted butter, softened
• 1/2 cup (3 1/2) ounces granulated sugar
• 1/2 teaspoon pure vanilla extract
• 1/4 teaspoon salt
• 2 cups (10 ounces) all-purpose flour
• 1/2 cup (1 1/2 ounces) cocoa powder