Combine the ingredients in a chilled Highball glass filled with ice and stir until the drink is sufficiently chilled. Garnish with the Half orange slice.
| Calories | Total Fat | Sodium | Carbs | Sugars | Protein | |
|---|---|---|---|---|---|---|
| Sweet vermouth | 78.4 | 0 | 4.5 | 6.7 | 3.8 | 0.1 |
| Tonic water | ? | ? | ? | ? | ? | ? |
| Total | 78.4 | 0 | 4.5 | 6.7 | 3.8 | 0.1 |