6 blackberries, plus more for garnish
6 leaves fresh mint, plus more for garnish
1 ounce bourbon whiskey
1 ounce tequila
1 ounce lime juice
1 teaspoon agave nectar
Muddle blackberries and mint in a shaker. Add bourbon, tequila, lime juice, and agave nectar.
Fill shaker with ice. Shake and strain into two julep glasses filled with fresh ice.