Vanilla syrup is a type of [ingredient=simple-syrup simple syrup] flavored with vanilla, usually the [ingredient=vanilla-bean vanilla bean] over [ingredient=vanilla-extract vanilla extract]. Vanilla simple syrup can be made by adding a split vanilla bean to simple syrup once it's off the heat. Cover the pan and let the bean steep for 20-30 minutes, until cool. 

Vanilla extract can be added to cooled simple syrup, though it will affect the color and not have quite the aromatic punch. 

Some popular cocktails containing Vanilla syrup

  • Sweatpants & Vodka — Vodka, Bitters, Lime juice, Vanilla syrup, Mint
  • Earth Mother — Amargo-Vallet, Crème de Banane, Lime juice, Vanilla syrup
  • Jerezana — Amontillado Sherry, Manzanilla sherry, Sweet vermouth, Dry vermouth, Orange bitters, Vanilla syrup
  • Pickwick Club — Pineapple rum, Overproof rum, Allspice Dram, Bitters, Absinthe, Passion fruit syrup, Vanilla syrup, Orange peel
  • Hank Scorpio — Guatemalan rum, Amaro Montenegro, Pineapple juice, Ginger syrup, Vanilla syrup, Lime juice
  • Koko B. Ware — Rum, Rhum Agricole, Bitters, Lime juice, Orgeat, Vanilla syrup, Heavy cream, Nutmeg
  • Dutch Apple — Genever, Cognac, Apple brandy, Apple liqueur, Apple bitters, Bitters, Vanilla syrup, Orange peel
  • Space Ape — Rum, Pineapple juice, Banana, Orange juice, Lime juice, Vanilla syrup
  • Vagabond — Mezcal, Fino sherry, Lemon juice, Orgeat, Vanilla syrup
  • Zombie Island Punch — Rum, Orange liqueur, Allspice Dram, Bitters, Pomelo juice, Lime juice, Passion fruit syrup, Vanilla syrup