Homemade Hersheys Chocolate Syrup Recipe 1/2 cup Cocoa (Hershey's obviously) 1 cup Sugar 1 cup water 1 teaspoon Vanilla Dash of salt Instructions Combine cocoa, sugar, and salt in a saucepan. Add water, and mix until smooth. Bring this mixture to a boil. Allow it to boil for one minute, be careful this does not over boil. Remove from heat, when this cools add the vanilla.