Watermelon Ice Add a bit of flavour to your average softy By Guest Contributor February 28, 2015 Snack Preparation Time Cook Time Servings0IngredientsWatermelonwater ( also sparkling water, and lemonade taste good with the ice).Instructions Step 1: 1. Cut watermelon into small cubes. Lay in a single layer on a baking sheet and place in the freezer. (takes 2-3 hours to freeze). Step 2: 2. Once frozen, fill a glass with the watermelon ice and pour your favorite drink over.