In a blender, combine the tequila, lime juice, triple sec, simple syrup and ice. Blend until smooth.
¾ cup blanco tequila, ½ cup fresh lime juice, ½ cup triple sec , ½ cup simple syrup, 4 cups ice
If desired, rub a wedge around the outer rim of four glasses and roll in salt, sugar or chili-lime seasoning. Pour in margarita mixture and serve, garnished with lime slices.