Méthode traditionelle

Méthode traditionelle – French term for a second fermentation on the bottle.
The second fermentation on a closed bottle with the help of sugar and yeast gives off carbon dioxide, which cannot escape and mixes into the wine. French: tirage.

The most famous wine is made according to this method: Champaign.
Other wines made this way are called crémant.
Best known wine: The Spanish Cava.