Make according to the box.

Beat the butter until smooth.

Add in powdered sugar, milk and vanilla. Mix until combined.

Add more powdered sugar if needed.

Cut the bricks of vanilla candy coating into small pieces and place in a bowl.

Heat whipping cream in a pan over medium heat until it simmers.

Pour the whipping cream over the candy coating and cover with a plate to trap the heat in.

After several minutes, remove the plate and whisk until the candy coating is melted.

Set aside until it cools to room temperature.

Once cooled, divide mixture into individual sandwich bags, add food coloring and mix.

Cut a small hole in one corner of the bag.