Rinse the strawberries thoroughly.

Cut the strawberries into pieces and grate the ginger.

In a saucepan, bring to the boil 2 cups water, the strawberries in pieces, the sugar, the ginger and the star anise.

Simmer over medium-low heat for 7 minutes.

Stir and roughly crush the strawberries.

Reserve and let stand 5 minutes.

In a fine sieve or cheesecloth placed over a pitcher, pour in the hot mixture.

In the pitcher, add 8 cups warm water.

Refrigerate at least 2 hours.

When serving, fill glasses with ice cubes and pour in lemonade.