DOUBLE-CHOCOLATE SANDWICH COOKIES

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Double-Chocolate Sandwich Cookies image

Whether you dunk them in milk, pry them apart, or devour them whole, sandwich cookies are irresistible. These, with their crisp chocolate wafers and ganache filling made from fine-quality white chocolate, are so much better than that supermarket version.

Provided by Gina Marie Miraglia Eriquez

Categories     Cookies     Milk/Cream     Mixer     Chocolate     Dessert     Bake     Christmas     Kid-Friendly     New Year's Eve     Winter     Chill     Gourmet     Kidney Friendly     Vegetarian     Pescatarian     Peanut Free     Tree Nut Free     Soy Free     Kosher     Small Plates

Yield Makes about 3 1/2 dozen cookies

Number Of Ingredients 17

For dough
2 cups all-purpose flour
1/2 cup unsweetened Dutch-process cocoa powder
1/2 teaspoon baking powder
1/2 teaspoon salt
2 sticks (1/2 pound) unsalted butter, softened
3/4 cup sugar
1 large egg yolk
1 teaspoon pure vanilla extract
For ganache
1/2 cup heavy cream
1 1/2 tablespoons light corn syrup
3/4 pound fine-quality white chocolate, melted
2 tablespoons unsalted butter, softened
2 teaspoons pure vanilla extract
Equipment: a 1 3/4-inch fluted round cookie cutter
Garnish: decorative sugar (optional)

Steps:

  • Make dough:
  • Whisk together flour, cocoa powder, baking powder, and salt.
  • Beat butter and sugar with an electric mixer until pale and fluffy, then beat in yolk and vanilla. At low speed, mix in flour mixture in 3 batches just until a dough forms. Divide dough in half and form each piece into a 6-inch square, then chill, wrapped in plastic wrap, until firm, 2 to 3 hours.
  • Make ganache while dough chills:
  • Bring cream and corn syrup just to a simmer in a small heavy saucepan, then stir into melted chocolate. Stir in butter and vanilla until smooth. Cover surface with parchment paper and chill, stirring occasionally, until very thick, about 30 minutes.
  • Cut and bake cookies:
  • Preheat oven to 350°F with rack in middle. Butter 2 large baking sheets.
  • Roll out 1 piece of dough between sheets of parchment paper into a 14- by 10-inch rectangle (1/8 inch thick). Slide dough in parchment onto a tray and freeze until dough is firm, about 10 minutes. Repeat with remaining dough.
  • Cut out as many rounds as possible from first chilled square with cutter, reserving and chilling scraps, then quickly transfer cookies to a buttered baking sheet, arranging them 1/2 inch apart. (If dough becomes too soft, return to freezer until firm.)
  • Sprinkle half of cookies with decorative sugar (if using), then bake cookies until baked through and slightly puffed, 10 to 12 minutes. Cool on sheet on rack 5 minutes, then transfer to rack to cool completely (cookies will crisp as they cool).
  • Make more cookies with remaining dough and scraps (reroll only once).
  • Assemble sandwich cookies:
  • Beat ganache with an electric mixer at high speed just until light and fluffy. Transfer to a sealable plastic bag (snip off 1/8 to 1/4 inch from 1 corner with scissors). Pipe ganache onto flat sides of plain cookies, then top with sugared cookies to make sandwiches. Chill, layered between sheets of parchment, in an airtight container until filling is set, at least 1 hour.

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