Classic Champagne cocktail

A perfect cocktail for an Oscars party! But don't let us stop you there - this cocktail would be welcome just about anywhere.
SERVES
1
Ingredients
- 1 sugar cube
- 2–3 dashes Angostura Bitters
- 1 ounce brandy
- Prosecco, Cava, or Champagne, chilled
- Maraschino cherry, for garnish
- Orange slice, for garnish