1 egg white

1 oz white rum

1/2 oz simple syrup

1/2 oz lemon juice

1 oz orange juice

champagne or sparkling wine

Shake everything but the wine without ice, then add ice and shake again. Pour over crushed ice in a snifter or rocks glass, top with wine, garnish with orange peel.

Source: Spritz by Talia Baiocchi and Leslie Pariseau