Heat 1 tbs oil in a large deep saucepan over medium heat.
Cook the chopped shiitake, Swiss brown, chestnut mushrooms, e-shallot, finely chopped carrots (keep the gated carrots for later on) and celery until golden brown.
Add the stock, whisking to combine.
Bring to the boil, then reduce heat to a medium-low, add the finely chopped garlic and thyme and simmer for 60 – 90 minutes to allow flavors to infuse.
In a large bowl mix together the minced chicken, finely grated carrots, minced Swiss brown mushrooms all together and mix it with egg white make sure all ingredients are well mixed store the mixture in fridge.
Strain the cooked mushroom stock through a fine sieve into a saucepan and allow to cool.
Once cooled, take your minced chicken mixture from the fridge and using a wooden spoon mix until all ingredients are combined. This is your consommé.
On a low – medium heat, slowly bring the consommé to the boil until the chicken mixture separates and rises to the surface.
Once the consommé has fully split, sieve slowly through a very fine paper filter into large bowl.
Finish with a little salt, a sprig of tarragon and white sugar to taste.