Orange Sticky Buns

Bahan-bahan (24 porsi)

• 1 cup granulated white sugar, (divided)
• 2 tablespoons grated orange zest
• One .25-ounce envelope active dry yeast
• ¼ cup warm water ((110 to 115 degrees))
• 1 teaspoon salt
• 2 large eggs
• ½ cup sour cream
• 6 tablespoons salted butter, (melted)
• 3½ cups all-purpose flour, (divided)
• 2 tablespoons salted butter, (melted)
• ¾ cup granulated white sugar
• ½ cup sour cream
• 2 tablespoons freshly squeezed orange juice
• 6 tablespoons salted butter