Heat the water and add the onion, garlic, bay leaves and chicken and boil for 10 mins
Remove chicken and garlic and allow to cool and reserve liquid
Shred the chicken and garlic
In a pan dry roast the onion, garlic and tomatoes till the surface gets charred and blistered
Add to a food processor, together with the chipotle chillies, salt to taste and blend
Pour the sauce into a saute pan and allow to come to the boil
Add the chicken and garlic and cook till the sauce gets thick and darker and coats the chicken
Add salt to taste