Vanilla Coke Syrup 1 1/2 cups granulated sugar 1 1/2 cups water 1/2 teaspoon salt 2 tablespoons vanilla extract Mix sugar, water and salt in a small saucepan. Heat to boil, then boil gently for 5 minutes. Remove from heat and stir in vanilla extract. Use one shot per can of coke over ice for vanilla coke.