In a blender, add the watermelon sherbet, milk, watermelon slices and a pinch of sea salt. Blend until the sherbet and watermelon slices break down, approximately 45 seconds. Add the soda water and blend 10 seconds more.
Pour the mixture into a 20-ounce drinking glass or between two 10-ounce glasses and garnish with mini chocolate chips. Serve immediately.
This recipe was provided by professional chefs and has been scaled down from a bulk recipe provided by a restaurant. The Food Network Kitchens chefs have not tested this recipe, in the proportions indicated, and therefore, we cannot make any representation as to the results.