01 - Place the chopped chocolate in a heatproof bowl.
02 - In a small saucepan, heat the heavy cream and butter over medium heat until just simmering. Remove from heat.
03 - Pour the hot cream mixture over the chocolate. Let sit for 2 minutes, then stir until smooth and glossy.
04 - Stir in the sweetened condensed milk, non-alcoholic Irish cream syrup, vanilla extract, and salt until fully combined.
05 - Cover the bowl and refrigerate for at least 2 hours, or until the mixture is firm enough to scoop.
06 - Using a small spoon or melon baller, scoop out tablespoon-sized portions and roll into balls with your hands.
07 - Roll each truffle in cocoa powder, chocolate sprinkles, or chopped nuts to coat.
08 - Place the finished truffles on a parchment-lined tray. Chill for at least 30 minutes before serving.