Combine Mutti Passata Tomato Puree with 200ml water and a few splashes of Angostura Bitters. Whisk together then pour the mixture into jumbo ice cube trays (this should make about 6 large ice cubes) and freeze overnight.
When ready to serve, build the gin, vermouth, and Campari in a rocks glass. Place a tomato ice cube into the drink and serve your delicious bloody negroni with ice cubes together with orange peel.