Cream the butter and sugar. Add the sugar and butter into the bowl of a stand mixer and mix on medium speed with the paddle attachment of your stand mixer to combine butter and sugar until the mixture is fluffy. Normally takes about 5 minutes.

Once the sugar and butter are creamed together, add the egg and vanilla extract.

In a separate large bowl add the dry ingredients and mix well.

Next, add the dry ingredients to the sugar and butter mixture, mix well.

Once the dough is made, divide dough into five equal parts.

Color the cookie dough with food coloring so you end up with one yellow, red, purple, green, and blue cookie dough balls. A dough ball of each color you are using.

Take one color of cookie dough at a time and place it on top of a piece of parchment paper, place another piece of parchment paper on top. With a rolling pin, roll the dough out to be 11 x 9 inches and 1/8 inch thick. Once the dough is rolled out, place on a baking sheet still in the parchment paper.

Repeat the rolling steps for each color.

Once all of the cookie dough colors are rolled out and placed in a stack on a baking sheet refrigerate for at least 10 minutes, it can be left in the fridge longer.

Remove the chilled cookie dough and remove the top sheet of parchment paper from each cookie dough color.

Lay the first color dough you are using on the counter with the bottom piece of parchment paper still under it.

Lightly wet the top of the cookie dough with a little bit of water using your fingers.

Take the second color you are using and place cookie dough side down on top of the cookie dough layer you already have, remove the layer of parchment paper and Lightly wet the top of the cookie dough with a little bit of water using your fingers. Repeat until all the colors of cookie dough sheets. Leaving the parchment paper on the top of the last layer you place on the stack.

Gentely push the colors down so the dough layers stick together.

Using a paring knife trim the edges to make straight edges on all sides.

Remove the top layer of parchment paper and start rolling up the dough to form a dough log, use the bottom layer of parchment paper to pull it tight. If the dough tears, you can just pinch it together.

Place sprinkles onto a large platter or palte and roll the log onto the sprinkles and press them in to the outside of the cookie dough roll.

Place the dough into the fridge for 15 minutes or longer. - Do NOT Skip this step!

Then slice the dough into 1/4 inch slices and place on parchment lined cookie sheets.

Bake on a cookie sheet in the oven at 325° F for 10 -15 minutes.

Remove the baked cookies from the cookie sheet and allow to cool completely on a cooling rack before storing.