Homemade Choco Syrup

½ cup cocoa powder
1 cup water
2 cups sugar
⅛ teaspoon salt
¼ teaspoon vanilla

Mix the cocoa and the water in a saucepan. Heat and stir to dissolve the cocoa. Add the sugar, and stir to dissolve. Boil for 3 minutes over medium heat. Add the salt and the vanilla. Let cool. Pour into a sterile glass jar, and store in the refrigerator. Keeps for several months. Yields two cups.