The invention concerns a process for the preparation of a beverage in a beverage machine with a capsule comprising an enclosure containing tea leaves comprising the steps of: a) introducing water in the capsule to submerge the tea leaves in the capsule enclosure, then b) introducing water at a soaking flow of at most 80 ml/min, then c) introducing water in the capsule until the required volume of beverage is delivered, wherein during at least one period of step b), water is introduced in the capsule at least once at a stirring flow superior the soaking flow to stir tea leaves.