Coconut Buns with Milky Sweet Coconut Filling

Name: Coconut Buns with Milky Sweet Coconut Filling
Prep time: 2 h 50 min
Cook time: 20 min
Total time: 3 h 10 min
Cuisine: Asian
Ingredients: 3 tbsp whole milk; 3 tbsp water; 2 tbsp all-purpose flour; 2 and 1/2 cups all purpose flour; 2 tbsp whole milk powder; 1/4 cup sugar; 1 tsp salt; 1 tbsp instant yeast; 1/2 cup whole milk (warmed to 105 F); 1 large egg; 1/4 cup melted butter (unsalted); 6 tbsp unsalted butter (very soft, warm); 3 tbsp sugar; 3 tbsp cake flour; 1/4 cup milk powder; 1/2 cup dried coconut flakes (unsweetened); 1/3 cup cake flour; 3 tbsp softened butter (very soft); 4 and 1/2 tsp sugar; 1 egg (for brushing the buns); 4 tsp runny honey (for brushing the baked buns); coconut flakes (for sprinkling on top of the baked buns)