2 parts extra-dry champagne

1 part Goldschläger cinnamon schnapps

½ part Calvados

Club soda

Lemon juice

Orange bitters

Slice of red apple for garnish

Pour champagne over ice cubes in a balloon glass. Add Goldschläger and Calvados, then a splash of soda and a smaller splash of lemon juice. Add a dash or three of orange bitters. Give the drink a gentle swirl to mix. Float the apple slice and serve.