How to Make a Champagne Cocktail 3 Bitters & 3 Cocktails/ NYE (Common Man Cocktails)

I like the fact that they use different bitters, but this is certainly the recommended one out of the bunch.

Recipe
6 oz of Champagne / Sparkling Wine / Prosecco
1 Sugar Cube
3 Dashes Angostura Bitters
Lemon Twist