Bakers hack cookie cutter shapes and build a Christmas tree out of cookies.

The bakers are challenged to create a 3D winter wonderland using cookies.

Five bakers create mug toppers, dunkers and platters for a shot at $10,000.

The bakers decorate cookie toys and make edible boxes.

The cookie masters represent Christmas Eve traditions in 3D cookie form.

Five clever cookie makers must create custom Santas without cookie cutters.

Five cookie makers create cookies perfect for a Christmas in the tropics.

Five bakers hack Halloween cookie cutters into classic Christmas cookies.

Five bakers craft life-size Christmas stockings entirely out of cookies.

Five cookie makers are inspired by a new outfit and a new ride for Santa.

Five cookie makers create a set of cookies inspired by nesting dolls.

Five cookie makers are inspired by Mrs. Claus' Christmas Eve.

Five bakers make cookies that feature at least four shades of one color.

The bakers make cookie garlands and cookies resembling handcrafted gifts.

Katie Lee and Giada De Laurentiis pick a chef to take down Bobby Flay.

Sunny Anderson and Andrew Zimmern join forces to get chef Bobby Flay beat.