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Pour the boiling water in and stir until the sugar is completely dissolved. Set the container aside and allow it to cool down. Place it into the freezer for about 2 hours. Take off the wrapping and use a fork to break up the coffee mixture. Put back the wrapping and re-freeze the container for another 30 minutes. Use a fork to break up any big chunks and achieve a flaky texture. Top the drink off with whipped cream and enjoy!
Get a bowl and combine the sugar and coffee grounds. Place the sieve over the container and strain the mixture. Use plastic wrap to cover the container. Remove it from the freezer after the 2 hours. Mash it until you get more of a "slushie" iced mixture. Remove the container from the freezer and throw away the plastic wrapping. Use a spoon to serve the granita into glasses.