Rory's Guaranteed Rise Sourdough Cinnamon Rolls

Details

Ingredients

• 4 cups all-purpose flour
• 1 cup fed sourdough starter
• ¾ cup lukewarm milk
• ¾ cup white sugar
• 1 teaspoon instant yeast
• ½ cup butter, melted and cooled
• 1 egg, at room temperature
• ½ teaspoon salt
• ½ cup butter, melted and cooled
• 1 cup brown sugar, or more to taste
• 3 tablespoons ground cinnamon
• ½ pound confectioners' sugar
• 1 (4 ounce) package softened cream cheese
• ¼ cup softened butter
• 1 teaspoon vanilla extract