In a large microwave safe bowl, microwave the cream and chocolate chips for around 30-45 seconds.
Mix in the rum, butter, vanilla and salt until the chocolate has melted.
Place the mixture into the refrigerator for around 4 hours, or until it has fully set.
Once the chocolate has set, line a baking sheet with parchment paper.
Use a small cookie scoop to scoop the chocolate mixture into balls. Use your hands to smooth out the balls, then place on the baking sheet. Place in the freezer for at least 10 minutes to firm up.
In a microwave safe bowl, melt the "coating" ingredients in the microwave in 30 second intervals, mixing until smooth.
Dip the chocolate balls in the melted chocolate and return to the baking sheet. Place in the refrigerator until chocolate has hardened, then store in an airtight container in the fridge.