The Cotswold Basil Smash is a refreshing and herbaceous cocktail that is perfect for summer. Made with fresh basil leaves, gin, lemon juice, and simple syrup, this cocktail is bursting with flavor. The basil adds a unique twist to the classic gin and tonic, giving it a vibrant and aromatic taste. Serve it over ice and garnish with a sprig of basil for a beautiful and refreshing drink.