1Combine water, white sugar, and gelatin in a large microwave-safe bowl; heat in microwave on high for 7 minutes. Stir sugar mixture and cook in microwave for 7 minutes more.
2Mix 1 1/2 cups confectioners' sugar, corn flour, and cream of tartar together in a bowl; stir into sugar mixture. Heat mixture in microwave on high for 6 minutes more. Stir rose water and food coloring into mixture.
3Lightly grease a 7x11-inch baking dish. Pour mixture into the greased dish; refrigerate until firm, about 30 minutes.
4Cut Turkish delight into small squares using a wet knife.
5Place 3/4 cup confectioners' sugar in a bowl. Roll Turkish delight in the confectioners' sugar until evenly coated. Store in an airtight container in the refrigerator.