Place all the ingredients in a blender or food processor. Blend until smooth.
Add some additional sugar to a small plate. Coat the top edge of the margarita glass with the leftover lime. Place the rim of the glass on the sugar to coat the rim.
Nutritional information provided for this recipe is based on 1 serving. This information is an estimate and may vary based on several factors. If nutritional information is important to you and your diet, please verify this recipe with a Registered Dietitian.