Sugar Syrup or Simple Syrup is a baking and candy-making term which refers to a solution of sugar(s), typically white granulated sugar and/or corn syrup and water that is cooked over low heat until dissolved and then boiled. Sugar syrup can be made in various densities: Light density: (3 parts water to 1 part sugar);. Medium density (2 parts water to 1 part sugar);. Heavy density (1 part water to 1 part sugar.) To make a Simple Syrup or Sugat Syrup, here is a simple recipe. Makes about 1 cup, enough for 3 cake layers Recipe for Simple Sugar Syrup: 1. Stir 1/3 cup hot water into 1/4 cup sugar. Heat until dissolved. 2. Then stir in 1/2 cup cold water 3. Add 3 to 4 tablespoons orange liqueur, cognac, Amaretto or Frangelica or 1 tablespoon vanilla extract. 4. Sprinkle over each cake layer before spreading on the filling.