This recipe was really created with love, and just a few ingredients
Preheat the oven to 450°F (225°C).
In a medium bowl with a hand-mixer or stand mixer with paddle attachment, mix the flours , sugars and salt
Gradually beat in the room temperature butter and vanilla extract and mix until combined and smooth
Press the dough in two 4-inch springform pans, with the edges that comes up a little
With a fork, make indentations all around the edges like for this shortbread cake (see picture).
Make an indentation with a Christmas cookie cutter, if desired (see pictures above with the Christmas tree).
Bake for 3 minutes, then turn your oven down to 250°F (120°C) and bake 8 minutes
Remove from the oven, and make again the indentation from a Christmas cookie cutter, if desired . Let cool and enjoy