Food & Cooking Recipes Vanilla Simple Syrup 3.6 (61) Close Yield: Makes 1 1/2 cups This recipe for vanilla simple syrup should be used when making Vanilla Egg Cream. Directions Bring sugar and 1 cup water to a boil in a saucepan over medium heat, and cook, stirring, until sugar has dissolved. Let cool completely. Stir in vanilla extract.