2 oz of Bourbon
1 oz of Southern Comfort (or peach liqueur)
1 tsp of peach brandy
2 tsp of fresh lemon juice (or Lemon Juice)
1/2 tsp of bar sugar (or sugar)
sparkling water
peach slice
Combine all ingredients, except sparkling water and peach slice, with cracked ice in a cocktail shaker. Shake well. Strain into a chilled highball glass over ice cubes and top off with sparkling water. Stir and garnish with peach slice.