Sea Salt Butter Rolls

Bahan-bahan (6 porsi)

• 1 cup whole milk (heated)
• 1 packet instant yeast
• 5 tablespoons unsalted butter (melted)
• 1 egg
• 4 tablespoons sugar
• 2 cups bread flour
• 1/2 cup all-purpose flour
• 1/2 teaspoon salt
• 1/2 stick unsalted butter (2 oz./56 g, cut into 16 cubes)
• 2 tablespoons unsalted butter (melted, for brushing)
• 1 tablespoon Maldon sea salt flakes