1.5 oz. Three Shores World Whiskey⠀
.5 oz. Cointreau⠀
7 dashes Peychaud's Bitters⠀
7 dashes Angostura Bitters ⠀
Stir Whiskey, Cointreau, and bitters with ice in a mixing glass until well chilled. Strain into a Champagne flute and top with sparkling wine. Garnish with an orange twist.