Southern Bourbon Peach Tea Cocktail

Name: Southern Bourbon Peach Tea Cocktail
Prep time: 5 min
Cook time: 30 min
Total time: 35 min
Cuisine: American
Ingredients: 3 large peaches (350 grams); 5/8 cup brown sugar (125 grams); 2/3 cup lemon juice (150 milliliters); 2 2/3 cups water (650 milliliters); 4 cups Earl Grey tea (cold brewed, 1 liter); 1 cup bourbon (250 mililiters); 2 drops of bergamot oil (optional); 1/2 cup Earl Grey tea (125 milliliters); 1/4-1/3 cup peach syrup (or to taste, 60-80 mililiters); 1 1/2 ounces bourbon (45 milliliters or 3 tablespoons); The tiniest drop of bergamot oil (optional)