Saffron Pretzel Buns Recipe | King Arthur Baking

Ingredients

• 1 cup (227g) milk
• 1/4 teaspoon saffron threads
• 8 tablespoons (113g) unsalted butter, room temperature
• 1 teaspoon King Arthur Pure Vanilla Extract
• 1 tablespoon (11g) instant yeast or active dry yeast
• 4 1/2 cups (539g) King Arthur Unbleached All-Purpose Flour
• 1/4 cup (46g) potato flour
• 1 1/2 teaspoons (9g) table salt
• 1/2 cup (99g) granulated sugar
• 2 large eggs plus 1 egg yolk (reserve the white)
• 1 egg white (from above) beaten with 1 tablespoon water
• Swedish pearl sugar