Slice a wedge of lime and run it around the rim of your margarita glass to add salt to the rim.
Dip the margarita glass into the salt saucer, tapping gently to remove excess salt. and then put it away
Add 6 fresh blackberries to a cocktail shaker.
Muddle the blackberries with a muddler.
Add Patron Silver Tequila, Patron Citronge, Lime Juice, Sweet & Sour Mix, and Light Agave Nectar with some ice to the cocktail shaker.
For proper mixing, shake all the ingredients for 10 seconds.
Strain into the rimmed margarita glass.
Add some ice to the margarita glass.
Add 2 blackberries and a lime wedge as garnish.
Enjoy your Patron Blackberry Sandia Margarita!