Cocktail Negroni
(For 2 drinks)
Zest of ½ orange
2 extra large ice cubes (or ½ cup of small)
3 oz gin
3 oz campari
3 oz Vermouth rosso
1-2 drops of Angostura Bitters 
In a large glass mix all 3 liquors with a handful of ice cubes. Strain the mix into 2 glasses garnished with large ice cubes and orange zest. Finish with a few drops of Angostura Bitters.