Soak and drain the chicken liver in cold water multiple times until the water becomes clear.
Trim off the excess fat and tissue, and cut them into small pieces so they cook evenly.
Soak the liver in a bowl of milk for about 30 minutes.
In a pan/wok, sauté the garlic and shallot until become golden.
Drain the chicken from the milk and add it to the pan. Sauté for 5 minutes.
At this step, there might be some excessive juice (pink color) from the chicken liver. Make sure to drain the juice chicken liver to get rid of the juice.
Add bay leaves, sugar, salt, and dried parley.
Cover the pan with a lid so the water doesn’t evaporate and make sure to turn the heat down. Cook the liver thoroughly for another 10 minutes.
Have a blender/food processor ready to blend the liver
When the liver is completely cooked, add it to your blender and blend until desired consistency.
Add cooking wine or cognac or whiskey, and black pepper, and continue blending. You can taste test the liver.
Add more sugar or salt to your desired taste.
At this step, the chicken liver is ready to be chilled and served. Pour the chicken pate into containers.
OPTIONAL Melt the butter and pour it on top of the chicken liver. Store the pate in the refrigerator until ready to serve.