Add 100g of coarsely ground coffee into your French press.
Add 500g of water over the coffee in the French press.
Stir well and close the lid.
Steep in the fridge or on the counter for 12 to 24 hours.
Take it out from the fridge and press down on the plunger slowly and gently.
(Optional) Filter the cold brew through a paper filter as well for extra clarity.
Transfer to a pitcher or jar.
Add ice, water, milk, or flavorings if desired.