Homemade Brioche Buns

Ingredients (12)

• 1 tablespoon active dry yeast
• 4 1/2 tablespoons warm milk
• 1 1/2 cups warm water
• 1/4 cup sugar
• 2 large eggs
• 1 large egg yolk
• 4 1/2 cups bread flour
• 1/2 cup all-purpose flour
• 2 teaspoons kosher salt
• 4 tablespoons unsalted butter, soft
• Sesame seeds
• 1 egg + 1 tablespoon water (egg wash)