Add more or less sugar-substitute and sugar depending on your taste preference.
- Puree strawberries and 1 tablespoon sugar in blender or small food processor.
- Spoon 3 tablespoons of strawberry puree into each glass, then add 2 tablespoons sugar substitute and 1 tablespoon sugar to each glass.
- Add 3 tablespoons lemon juice to each glass; stir to blend well. Stir in 2/3 cup of club soda (or similar) into each glass, add some ice, and serve.