Step one: spend countless hours putting on many, many layers of flesh in various shades
Step two: add as many layers of mottling as you feel necessary (but no less than 3)
Step three: continue with shading and blushing until you’ve achieved a life-like glow
Step four: add those little details that make all the difference - capillaries, veining, storkbites, etc
Step five: carefully press your baby’s forehead to the top element of your oven, creating a shiny scar-like effect (you may burn yourself if you need to in order to get the correct action started.
Step six: strip, wash, sand, wash and start again.
NB: If you do not feel like crying right now, you have done something very wrong. Go back and repeat steps 1 through 6