Step 1: Add the sugar, milk, butter and salt together in a saucepan. Then cook for 5 minutes, while stirring constantly.
Step 2: Add in chocolate chips while stirring and cook until it melts. Then remove from heat, add marshmallows, vanilla and nuts and stir well.
Step 3: Pour into an 8-inch pan, leave it to cool and cut into squares. Serve!
