Mules are traditionally served in a copper mug, a handsome vessel that keeps them delightfully frigid. Copper mugs are in: Find ones similar to these at Crate and Barrel ($20, crateandbarrel.com). Ginger beer, also used to make dark and stormy cocktails, tends to be spicier than ginger ale.
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
Est. added sugars 6g
How to Make It
In a copper mug or highball glass, combine bourbon and lime juice. Fill cup with ice. Add ginger beer; stir gently to combine. Garnish with mint sprig and lime slice.