Inside-Out Hong Kong Coconut Buns

Bahan-bahan (12 porsi)

• 2/3 cup heavy cream ((at room temperature))
• 1 cup milk ((whole milk preferred, but you can use 2%, at room temperature))
• 1 large egg ((at room temperature))
• 1/3 cup gula
• 1/2 cup tepung kue ((bisa diganti 1/2 cup tepung serbaguna yang diayak dengan 1 sdm tepung maizena))
• 3 1/2 cups tepung roti ((ketuk gelas ukur agar tidak ada kantong udara))
• 1 tablespoon active dry yeast
• 1 1/2 teaspoons garam
• 1 ¼ cups sweetened coconut flakes ((sweetened or unsweetened))
• 1/4 cup milk powder ((non-fat or regular))
• 1/3 cup gula
• 1/4 teaspoon garam
• 2 tablespoons butter ((melted; salted or unsalted are both fine))
• 2 egg yolks
• 2 1/2 tablespoons susu
• 1 egg ((beaten))
• 1 tablespoon sugar ((dissolved in 1 tablespoon boiling water))