Spicy pineapple and mint julep mocktail

Instructions

1. Grate ginger and squeeze flesh to extract 1 tsp juice. Place juice, mint leaves, peppercorns and half the pineapple in a large plastic jug. Using a rolling pin, crush pineapple mixture to combine flavours.
2. Divide crushed mixture between 4 glasses. Add crushed ice and remaining pineapple. Pour over diet pineapple. Serve with extra mint sprigs.