preheat the oven to 375˚

cream the butter, cream cheese, and the sugar together in a stand mixer fitted with the paddle attachment, stopping to scrape down the bowl halfway through

add the egg yolk, vanilla, and red food color (add enough to make a good red color), scrape the bowl as needed to mix thoroughly

in a separate bowl mix the flour, corn starch, cocoa powder, and salt together

add half of the dry ingredients to the bowl and stir to combine

the add the remaining dry ingredients, mix well

place a sheet of parchment on your counter and dust it lightly with flour, place half the dough on it, press it down, and lightly dust it with flour as well

place a sheet of parchment over it and roll it out to about 1/4 inch thick

cut with cookie cutters and transfer to a baking sheet

bake in the preheated oven for 12-14 minutes or until the cookies are set but not browned

cool 5 minutes on the baking sheet and then transfer to a baking rack to cool

to make the cream cheese frosting: Beat all the ingredients for the frosting together until light and fluffy, the longer you beat it the fluffier it will become!

frost and decorate your cookies as desired