In a bowl combine the water and the lemon juice. Add the chopped apples and soak them for 20minutes. Drain the apples, reserving 3 tablespoons of the lemon water.
Combine the apples, sugar, mint, and the 3 tablespoons lemon water, and mix until thoroughly blended. Serve immediately or store, refrigerated, in an airtight container for up to 2 days. Stir well before serving.
Yield : about 2 cups