PREHEAT oven to 350° F. Lightly grease baking sheets.
COMBINE flour, cardamom, ginger and salt in small bowl. Beat brown sugar, granulated sugar and butter in small mixer bowl until combined. Beat in Nestea, egg and vanilla extract until creamy. Gradually stir in flour mixture. Drop by rounded teaspoon onto prepared baking sheets. Sprinkle with coarse sugar.
BAKE for 9 to 10 minutes or until centers are set and edges are lightly browned. Cool on baking sheets for 2 minutes; remove to wire racks to cool completely.