Preheat grill over medium high heat.
Grill peach slices and lemon half for 2-3 minutes until lightly charred.
Place peaches, lemon, herbs, honey, and bourbon in a large glass or cocktail shaker.
Use a muddler or the end of a wooden spoon to smash all of the ingredients together.
Strain through the cocktail shaker or a small mesh strainer.
Serve over ice and and top with club soda if desired.
Calories: 251kcal, Carbohydrates: 30g, Protein: 1g, Fat: 1g, Saturated Fat: 1g, Sodium: 2mg, Potassium: 217mg, Fiber: 3g, Sugar: 25g, Vitamin A: 329IU, Vitamin C: 34mg, Calcium: 14mg, Iron: 1mg