6 Concord Grapes
2 Shiso Leaves
1/2 oz Simple Syrup
1 3/4 oz Tawny Port
1 1/2 oz Lillet Rouge
3/4 oz Dolin Blanc Vermouth
2 oz Soda.

Jigger, Muddler, Shaker Classic/Boston, Strainer, Rocks Glass.

In a Cocktail Shaker, muddle the Grapes and 1 Shiso Leaf with the Simple Syrup. Add the Port, Lillet, Vermouth and Ice cubes. Shake well and fine-strain into a chilled, crushed-ice-filled Rocks Glass. Top with the chilled Soda and garnish with the remaining Shiso Leaf.