Hamburger Buns

Ingredients

• 3 1/2 cups (420g) King Arthur Unbleached All-Purpose Flour
• 3/4 to 1 cup (170g to 227g) water, lukewarm*
• 2 tablespoons (28g) butter, at room temperature
• 1 large egg
• 1/4 cup (50g) granulated sugar
• 1 1/4 teaspoons table salt
• 1 tablespoon (9g) instant yeast
• Butter glaze
• 3 tablespoons (43g) butter, melted; divided
• Seed topping (optional)
• 1 large egg white, whisked with 2 tablespoons cold water*
• sesame seeds, or the seeds of your choice