Indulge your chocoholic friends and relatives with a selection of our richest, fudgiest cookies. Choose from a holiday assortment including Martha's Double-Chocolate Chunk Cookies, sophisticated Chocolate-Espresso Snowcaps, and chile and cinnamon-spiked Mexican Hot-Chocolate Cookies.

This delightful cookie is sure to win over even the "bah humbugs" this Christmas with its blend of cocoa and coffee flavors. Each ball of dough is rolled twice in confectioners' sugar to reveal beautiful ridges, like the snowcaps atop a mountain. Remember to let these cookies crack in the oven; you want them to develop big crevices to create the right look.

Stenciling is an easy, elegant way to decorate these buttery cookies. Use a craft punch to create the stencils of your choice, then brush on royal icing to make the patterns.

Miniature pastry shells filled with rich chocolate ganache are finished with a sprinkling of coarse salt. If you prefer, top the tartlets with crushed candy canes or confectioners' sugar instead.

To make these elegant sweets, we sandwiched disks of chocolate and spice cookies between layers of raspberry jam, semisweet chocolate, and pecans.

Big chunks of semisweet chocolate make these cookies stand out from the typical chocolate chippers. Use dried sour cherries or cranberries to add a pleasing punch of sweet-tart flavor.

Semisweet chocolate and cocoa powder pack big fudgy flavor into these bite-size cookies. Honey and brown sugar make them especially moist.

Children and adults alike will be delighted to see these cookies as part of your holiday offerings. Peppermint-flavored chocolate cookies are coated in white chocolate and sprinkled with crushed candy canes for this Christmas treat. The decorated cookies are best served (and eaten!) the same day.

Bite into these treats to reveal a layer of pillowy marshmallow sandwiched between a chocolate cookie and a cap of chocolate frosting. To stack cookies, wait until frosting dries, then place waxed paper in between the layers to keep the frosting from smearing.

With chunks of bittersweet chocolate and cocoa powder, and a wonderfully crackled texture, this is a chocolate lover's dream cookie. These rich cookies should seem a bit soft when you take them out of the oven. They firm up as they cool, so be careful not to overbake them.

These little cookies pack big chocolate flavor into a tiny bite. Each buttery chocolate cookie is rolled in sugar and filled with a dark-chocolate-and-vanilla-bean ganache. Offer these elegant treats nestled in individual paper wrappers. These cookies will keep, covered, for up to three days.

Elegant and rich, these chocolate cookie sandwiches are filled with a peppermint-kissed chocolate ganache and coated with a semisweet-chocolate glaze. The cookies can be stored in a single layer in an airtight container in the refrigerator for two days.

Tender cookies made with salted pistachios are sandwiched together with rich chocolate filling, and then coated in a bittersweet-chocolate glaze. These sophisticated cookies can be stored in single layers in an airtight container, or refrigerated, for up to three days.

Two of our Christmas favorites, sugar cookies and chocolate, come together in one chewy treat. This easy recipe makes eight giant cookies -- perfect for dunking.

Cocoa nibs add a pleasing crunch to these deep dark-chocolate-espresso cookies. These easy refrigerator cookies make a great Christmas gift, especially when stacked and tied into pretty packages. The cookies can be stored in airtight containers up to two days ahead.

For the cookie connoisseur: These almond-paste cookies are topped with rich chocolate filling and then drenched in a delicious chocolate coating. These luxurious treats require a pastry bag with a 1/4-inch tip for piping the cookie and filling. The finished cookies can be refrigerated up to three days before serving.

No time to bake? No worries -- these quick and easy Christmas cookies will be a hit at any holiday party. Simply dip purchased chocolate wafer cookies in semisweet chocolate melted with a touch of peppermint extract and refrigerate until the coating hardens (about 10 minutes). You can keep these thin chocolate-mint cookies stored in the refrigerator for a week.

Enjoy the flavors of traditional Mexican hot chocolate -- chile powder, cinnamon, and cocoa -- in these sweet and spicy cookies. They're great served at a holiday party, especially when paired with a warm wintry drink. The cookies can be stored in an airtight container for up to a week.

There are many chocolate chip cookie critics out there and many opinions of what constitutes the best. These cookies are soft, chewy, and crisp all at once. Can't believe it's true? Try them yourself! The dough can be refrigerated for up to five days, and the baked cookies can be stored at room temperature for up to three days.

These dense and chewy chocolate cookies -- created by food editor Sarah Carey -- combine the holiday flavors of honey, cinnamon, and brandied golden raisins with chunks of white (or dark) chocolate. Rolling the cookies in sanding sugar provides the perfect crunch. They can be stored at room temperature for up to three days.

With every bite of this delicious cookie you'll discover three layers: The first is a cinnamon-flavored cookie, the second a pillow of marshmallow, and the third a rich coating of semisweet chocolate. What's not to love? Store the finished cookies in an airtight container, in a cool place, up to five days. The dough can be frozen, up to three months; thaw overnight in the refrigerator.

Sandwich dark-chocolate cookies with an assortment of brightly colored fillings flavored with raspberry, mint, chocolate, coffee, and peanut butter. Wrap the cookies in cellophane and tie the ends with ribbons for charming holiday gifts. The dough for these cookies can be prepared and frozen up to two months ahead. The assembled cookies can be refrigerated in an airtight container for up to two days.

A buttery cookie base is topped with a milk chocolate-caramel layer and enhanced with a sprinkle of sea salt -- preferably fleur de sel. These luxurious bar cookies make great Christmas gifts for your friends with sophisticated palates.

These chocolate chip cookies are enhanced by two different forms of chocolate -- milk chocolate chips and chunks of the semisweet variety. Feel free to add chopped walnuts or pecans to the dough.

These molasses cookies are easy to make with the help of the microwave for melting the chocolate. The cookies should be very soft when they come out of the oven; be careful not to overbake them. As they cool, they will firm up a bit and develop a chewy texture. Dust the cooled cookies with confectioners' sugar, if desired, for a wintry effect.

These flourless, gluten-free cookies are flavored with cocoa and bittersweet chocolate. Chopped pecans add richness and crunch -- feel free to substitute any other variety of nuts, such as walnuts or almonds. These cookies can be stored in an airtight container for up to three days.

This sophisticated cookie will satisfy coffee lovers and chocolate lovers alike. Ground espresso beans are sprinkled throughout the cookie, and the filling is a creamy milk chocolate ganache. You'll need a pastry bag with a 1/4-inch tip to pipe the filling. As a finishing touch, dust the cookies with confectioners' sugar and unsweetened cocoa powder.

These charming cocoa-dusted cookies could easily be mistaken for truffles. But one bite will prove different -- they are actually buttery little shortbreads with a crumbly texture. They can be stored in an airtight container at room temperature for up to a week. If giving as a gift, enclose about three tablespoons of cocoa powder in a small bag, along with instructions for dusting.

A perfect winter treat, these cookies have all our favorite aromas and flavors of the holiday season. With ginger, cloves, and nutmeg mixed with semisweet chocolate, they are sure to become an instant classic. Roll them in sugar before baking to give them a crunchy texture.

A classic sandwich cookie with a sophisticated twist -- the filling between the cocoa cookies is made with dark chocolate. The cookies are easy to transport stacked in loaf pans, and once assembled they can be refrigerated for up to two days.