1 large handful fresh blackberries
4 fresh mint leaves, torn
1 shot tequila blanco
1/2 shot Cointreau
1 wedge of lime
salt
To a cocktail shaker, add and muddle blackberries and mint until fully incorporated and pulverized. Add tequila, Cointreau, and a handful of ice. Shake vigorously until mixed and cold. Run lime around the rim of a margarita glass, then dip rim into salt. Pour all contents of shaker including ice into glass and serve.