Use a pair of scissors to score the chestnuts
Add water to the sauce pan, and heat it to boil on the stove at high heat
Add the scored chestnuts to the boiling water, and let it boil for 2-3 minutes
While boiling the chestnuts, put the frying pan onto stove, and heat up the pan
Pour out the water completely. Transfer the chestnuts to the frying pan, and cover it with a lid. Let the chestnuts roast for 60-90 seconds
Peel the chestnuts while they are still warm
There might be some chestnuts that are hard to peel. Simply remove the shell by using a knife to peel the skin
Mince the garlic and onion
Add the butter to the sauce pan, and place it onto the stove. Turn the heat to medium. Once the butter is molten, add garlic and onion
Sautee the garlic and onion for 2-3 minutes. Add the peeled chestnut and the chicken stock. Heat to boil, put the lid on, and let it simmer for 15-20 mins. Season with salt
Cool down the pan with a cold water bath. Transfer the mixture to the blender. Mix for about 20-30 seconds at high speed
Pour to serving bowls, add the milk, and warm it in the microwave
Add some decoration