I am not a fervent liqueur drinker, but Grand Marnier is an all time favourite, though. Very nice, warm and fruity liqueur, great if combined with a cup of coffee or tea, after dinner or as a nightcap. Explosion of citrus fruit when entering the mouth, lots of zest and bitterness from meditteranean oranges and tangerines. Then soft, sweet, almost toffee-like. Strong afterfinish, doesn't linger, which makes it exceptionally nice aside of your mug of coffee. Also absolutely the best liqueur to flambé amarena cherries or other canned fruits, great to combine with pancakes and ice cream.