of your favorite nuts, dried fruits, or candy pieces for your own version.
combine the chocolate chips and condensed milk in a saucepan over medium-low heat; cook stirring until the chocolate has melted.
remove from heat; add the vanilla, butter, and salt, then stir until the mixture is smooth.
line a 9-inch square baking dish with plastic wrap.
pour the fudge into the dish, spread evenly, and smooth the surface with a spatula.
turn out of the pan, remove the plastic and cut into squares. 