Ube Bibingka Custard Buns Recipe | King Arthur Baking

Ingredients

• 1 batch Japanese Milk Bread, prepared through the first rise (step 5)
• milk, for brushing
• 1/2 cup (99g) granulated sugar
• 2 tablespoons (14g) cornstarch
• 2 tablespoons (15g) King Arthur Unbleached Bread Flour
• pinch of table salt
• 2 large egg yolks
• 1 cup (227g) milk, whole preferred
• 1/2 teaspoon vanilla bean paste or King Arthur Pure Vanilla Extract
• 2 tablespoons (28g) unsalted butter, cold; cut into 1/2" pieces
• 1/2 cup (60g) sweet glutinous rice flour
• 5 tablespoons (62g) granulated sugar
• 3/4 teaspoon baking powder
• 1 large egg
• 1/4 cup (60g) coconut milk
• 3 tablespoons (43g) milk, whole preferred
• 1 tablespoon (14g) unsalted butter, melted
• 1/2 teaspoon ube extract
• 1 1/4 cups (250g) granulated sugar