Finely chop the chocolate and place it in a heatproof bowl.
Warm the cream, butter, orange zest, and salt over medium heat until steaming. Do not boil.
Pour hot cream over the chocolate. Rest 2 minutes, then stir until smooth and glossy.
Stir in the orange liqueur and vanilla. Cover and chill until firm, 1 to 2 hours.
Scoop 1-tablespoon portions and roll quickly into balls with your hands.
Roll truffles in cocoa or powdered sugar to coat. Chill 10 minutes to set.
Notes
For an alcohol-free version, replace the liqueur with 1/2 tsp orange extract. Add a pinch of espresso powder to deepen the chocolate flavor. Serve slightly chilled or at cool room temperature. Store in an airtight container in the fridge up to 1 week or freeze up to 1 month.This recipe is an original creation inspired by classic Easy Chocolate Orange Truffles flavors. All ingredient ratios and instructions are independently developed.