Spray a 20cm x 20cm glass baking dish with non-stick cooking spray. Set aside.
Combine the condensed milk, coconut and _ cup crushed candy. In a separate bowl, melt the chocolate over a double boiler on the stove over medium heat, stirring continuously. Add the condensed milk mixture and mix until all combined. Immediately remove from heat.
Pour into baking dish and scatter over remaining crushed candy, lightly pressing it into the fudge.
Place it in the fridge to cool. Cut into squares before serving.