- 1 1/2 ounces bourbon
- 1 tablespoon fresh lime juice
- 1/2 cup light ginger beer, such as Fever-Tree Naturally Light
- 1 fresh mint sprig
- 1 lime slice
- Combine bourbon and lime juice in a copper mug or highball glass.
- Fill cup with ice. Add ginger beer; stir gently to combine.
- Garnish with mint sprig and lime slice.