Abstract: A filter bag and method of brewing coffee, tea or the like in a French press. The bag is made of a material penetrable by water, but not by solid particles. The method comprises the steps of: Removing the plunger from the French press, placing the bag into the French press with the opening facing up, placing ground coffee beans, tea leaves or the like in the filter bag and pouring hot liquid into the bag. Then, the plunger is mounted on the French press as in ordinary use, just as the beverage steeps as it normally does. Then, the plunger is pushed down, emptying the filter bag of liquid and leaving the filter bag at the bottom of the French press. By means of the method it is achieved that smaller particles can be filtered out than is possible with the prior art French press, meaning that there are fewer grounds in the beverage. Also, the coffee grounds or tea leaves are contained in a way that allows for their quick and easy disposal, which makes it easier to clean the French press after use.