01 -
Line two baking sheets with parchment paper or silicone baking mats. Set aside.
02 -
In a large bowl, combine the all-purpose flour, cake flour, cornstarch, baking soda, baking powder, and salt. Set aside.
03 -
Place the cubed butter and sugars into the bowl of a stand mixer with the paddle attachment. Cream until smooth, about 2-3 minutes.
04 -
Blend in the eggs, egg yolks, and vanilla extract. Use a rubber spatula to scrape down the sides of the bowl and mix again.
05 -
Gradually add in the dry ingredients. Mix until incorporated. Add the chocolate chips and mix just until combined.
06 -
Preheat the oven to 400°F.
07 -
Divide the dough into 3 equal sections. Add red food coloring to one section, blue to another, and leave the third section as is. Mix until the colors are well incorporated. Refrigerate if the dough becomes warm or sticky.
08 -
Roll each dough section into a 15-inch log. Place the logs next to each other on plastic wrap or parchment paper, then roll them into one big uniform log.
09 -
Cut the log into portions for the desired cookie size, roll into balls, and place on the prepared baking sheets, 6 cookies per sheet.
10 -
Bake for 10 minutes, or until the edges begin to brown. Press additional chocolate chips onto the cookies while warm if desired. Allow to cool on the baking sheet for 5-10 minutes before transferring to a rack.
11 -
Decorate with edible glitter stars before serving. Enjoy your festive cookies!