In a rocks glass, add a large cube of brown sugar, three blackberries, a thick slice of lemon, a fresh sprig of thyme and two dashes of orange bitters. Muddle until the mix is combined, then add 2 ounces of Batiste Gold and fill with ice. Stir well, and top with a splash of club soda. Garnish with a slice of lemon, blackberry and sprig of thyme.