Homemade Oreo'S - cooking recipe

Ingredients

Cookies
1 3/4 cups all-purpose flour
3/4 cup sugar
2/3 cup unsweetened dark cocoa powder
1/2 teaspoon baking soda
1/4 teaspoon salt
12 tablespoons unsalted butter
1 large egg white
Filling
1/3 cup vegetable shortening, room temp
5 1/2 tablespoons butter, room temp
1 2/3 cups confectioners' sugar
1 teaspoon vanilla extract

Preparation

1. In a large bowl, use an electric mixer on low speed, beat together the flour, sugar, coca powder, baking soda, salt, and butter until crumbly. Add egg whites and 1 tablespoon water.
2. Divide dough in half. Roll each piece into a 8 1/2-by 1 1/2 inch log. Wrap in plastic wrap; chill for 2 hours.
3. Line 2 baking sheets with parchment. Place racks in upper and lower thirds of oven and preheat to 350 degrees F. Cut each log into 48 slices (about 1/8 inch thick).
4. Bake until cookies are set 10 to 12 minutes, rotating sheets once. Let cookies cool on sheets on wire racks for 2 minutes, than transfer to wire racks to cool completely.
5. Make filling: In a medium bowl, using an electric mixer on medium speed, beat together shortening and butter until smooth. Gradually add sugar, beating on low speed until blended. Beat in vanilla.
6. Spread 1 1/2 teaspoons filling onto flat side of 48 cookies: top with remaining 48. Flat side down.