Created in 1973 to commemorate the wedding of H.R.H. Princess Anne to Captain Mark Phillips. Doublet was the name of the Princess’s horse on which she won her Olympic medal.
Serve: Straight up; without ice in a cocktail glass
Ingredients:
3 parts Orange juice
1 part lime juice
1 part Grand marnier
Champagne
Prep:
Shake ingredients together with ice, and strain into champagne cocktail glass, and fill with champagne.