French style “Vichyssoise” cold potato soup

Thinly slice potatoes and onion. Heat a pot, add some butter and stir fry onion.

Prepare chicken soup by mixing chicken stock powder and hot water. Add this soup in the pot and potatoes. Cook it under medium heat. Cover the pot with a lid.

When the onions and potatoes become soft enough, turn off the heat and stir well with a handy blender.

Add milk and fresh milk. Mix well and cool it in the refrigerator for an hour. Serve chilled.