Whisk the egg yolks and sugar until well combined, add the corn four, and mix well.
Add hot milk, 1/4 cup at a time, and temper the egg mixture and keep whisking. Strain the liquid to get rid of any lumps into a heavy bottom saucepan.
Cook the custard mixture on low medium heat. Continuously stir it with the wooden spoon for 3-5 minutes. As the custard starts thickening, lower the heat and keep stirring and scraping until you see the first boiling bubble.
Pour the pastry cream into a glass bowl and place a plastic wrap immediately on the custard surface to prevent a skin from forming. Place into the refrigerator to cool it down.
Divide the orange juice into two separate bowls. Dilute a few drops of yellow color to one and red dye to the other half of orange juice.
Place the sugar in another shallow bowl
Take a cookie, dunk it into a yellow juice for a few seconds, rotate and place into the red juice. Roll the cookie in the sugar until well coated. Continue the same steps with the whole batch.
Store in an airtight container in the fridge.
With a paring knife make a little incision and insert the mint leaf.
The provided nutritional information is an estimate per serving and is not guaranteed for accuracy.