Glyko Bergamonto or Bergamot fruit preserve is one of the most delicious and aromatic Greek fruit preserves (glyka tou koutaliou in Greek).
How to make liqueur
The formula to make an Orange or other Citrus liqueur, such as lemons, bergamot, mandarin, bitter oranges, pomelo, etc is very simple. You take the peel or zest and steep it in alcohol to extract the essence of the fruit. Then you make a simple syrup with sugar and combine both together.