I have a modified quickie tea egg method.
The marinade is a combination of Master Sauce (dark soy) and Tea Egg (black tea and five spice). Instead of gently cracking the hard-boiled eggs and letting them marble in a slow cooker for a whole day, I just peel them naked and let them sit in hot marinade for two short hours.
These eggs (photos attached) were made with brown medium-sized organic eggs. The eggs were probably a little too fresh - you can see some dings and dents after I peel them. Anyhow, the smaller sized eggs give a better surface area -to- marinade ratio, I think, and just look at the naturally gorgeous dark yellow yolks! I sprinkled a little Japanese orange sesame chili pepper for the final touch.
Love to hear your home cooking variations