Sweet Manhattan (batched recipe)
Orange zest twist (discarded) & Luxardo maraschino cherry
Combine all ingredients and stir (without ice). POUR into a litre bottle and leave to chill in a refrigerator. To serve, STIR 2 shots / 2oz / 60ml of the bottled mixture with ice and strain into chilled glass. Makes 16 drinks.

This recipe is also perfect for making a barrel aged Manhattan and will fill a one litre mini cask. Obviously, multiply recipe if using a larger cask.
[['30 cl', 'Bourbon whiskey'], ['30 cl', 'Straight rye whiskey (100 proof / 50% alc./vol.)'], ['30 cl', 'Martini Rosso sweet vermouth'], ['2.5 cl', 'Luxardo Maraschino liqueur'], ['2.5 cl', 'Cherry Heering cherry brandy liqueur'], ['1 cl', 'Angostura Aromatic Bitters'], ['0.5 cl', "Peychaud's or other Creole-style bitters"]]
[['30 cl', 'bourbon whiskey'], ['30 cl', 'rye whiskey'], ['30 cl', 'red vermouth'], ['2.5 cl', 'maraschino'], ['2.5 cl', 'cherry brandy liqueur'], ['1 cl', 'angostura'], ['0.5 cl', "peychaud's bitter"]]