Chocolate Coconut Rum Pops

Name: Chocolate Coconut Rum Pops
Cuisine: American
Ingredients: 1/2 cup heavy cream; 1 1/2 cups coconut milk (not light); 1/3 cup granulated erythritol (I used Swerve); 1 tsp arrowroot starch; pinch salt; 2 tbsp dark rum; 1/2 tsp vanilla extract; 15 drops stevia extract; 1/2 tsp xanthan gum; 1 tbsp butter; 1 3.5- oz high % cacao chocolate bar (gluten-free, where possible); 1/3 cup finely shredded unsweetened (toasted coconut)