Roti Nanas Cina dengan Isian Babi Panggang

Bahan-bahan (18 porsi)

• ⅔ cup heavy cream ((160 ml, at room temperature))
• 1 cup milk ((235 ml, at room temperature))
• 1 large egg ((at room temperature))
• ⅓ cup granulated sugar ((75g))
• ½ cup tepung kue ((70g))
• 3½ cups tepung roti ((500g))
• 1 tablespoon active dry yeast ((11g))
• 1½ teaspoons salt ((7g))
• 2 tablespoons oil ((30 ml))
• 1/2 cup finely chopped shallots or red onion
• 2 tablespoons sugar ((25g))
• 1 tablespoon kecap ((15 ml))
• 2 tablespoons saus tiram ((30 ml))
• 2 teaspoons sesame oil
• 2 teaspoons kecap hitam
• ¾ cup water ((175 ml))
• 3 tablespoons flour ((24g))
• 2 cups Babi panggang Cina ((char siu, potong dadu))
• ¼ cup nonfat dry milk powder ((30g))
• 1¼ cups all-purpose flour ((160g))
• ½ teaspoon soda kue
• ¼ teaspoon baking powder
• 2/3 cup superfine or caster sugar ((150g, very important that it’s superfine))
• ¼ cup vegetable shortening (or butter (50g))
• 2 tablespoons milk ((30 ml))
• 1 egg yolk
• 1/8 teaspoon ekstrak vanila
• 2 eggs ((separated))