No-Yeast Crescent Rolls with Plum Butter Filling

Name: No-Yeast Crescent Rolls with Plum Butter Filling
Prep time: 30 min
Cook time: 12 min
Total time: 42 min
Yield: 64
Ingredients: 10 tbsp milk; 1 tbsp granulated sugar; 1 block fresh yeast; 500 g plain flour; 250 g butter; 1 egg; 1 pinch salt; 4 tbsp butter; plum butter, as needed; icing sugar, as needed; rum, as needed