Soft Brioche Buns with Vanilla Custard and Chocolate - Iam Cooker

Ingredients

• 3 1/2 cups all-purpose flour
• 1/4 cup granulated sugar
• 1 packet active dry yeast (2 1/4 teaspoons)
• 1/2 teaspoon salt
• 1/2 cup warm milk
• 2 large eggs
• 1/2 cup unsalted butter, softened
• 1 cup whole milk
• 2 large egg yolks
• 2 tablespoons cornstarch
• 1 teaspoon vanilla extract
• 1 tablespoon unsalted butter
• 1/2 cup mini chocolate chips
• 1 large egg
• 1 tablespoon milk