Champagne Old Fashioned
1 oz / 30 ml Belvedere Pure
0.25 oz / 10 ml Grand Marnier
0.25 oz / 10 ml Demerera Syrup (2:1)
2 Dash Angostura Bitters
Stir all ingredients in mixing glass over cubed ice and fine strain into chilled glass over block ice. Garnish with a lemon twist.