Flavor God Buttery Cinnamon Rolls

Ingredients

• 5 cups all-purpose flour or bread flour
• 1 tablespoon brown sugar or granulated sugar
• 1 large egg
• 2 teaspoons instant yeast
• 1/2 cup unsalted butter, softened
• 5 tablespoons milk
• 4 teaspoons ground cinnamon
• 1 cup soft brown sugar
• 5 ounces cream cheese
• 1/2 teaspoon salt
• 2 cups powdered sugar
• 1 teaspoon pure vanilla extract
• 1/2 cup buttermilk or whole milk