- 1 1/4 ounces Aperol
- 1 1/4 ounces vermouth (such as Dolin Blanc)
- 3/4 ounce fresh lemon juice
- 2 dashes Angostura bitters
- Bitter lemon soda (such as San Pellegrino Limonata or Fever-Tree Bitter Lemon)
- 1/2 orange wheel
- Combine Aperol, vermouth, lemon juice, and bitters in a cocktail shaker. Fill shaker with ice and shake until outside of shaker is frosty, about 30 seconds. Strain into an ice-filled Old-Fashioned glass. Top with lemon soda and garnish with orange wheel.