Ingredient:

• 1 cup whole milk, warm
• 3 tablespoons sugar
• 3/4 ounce active dry yeast
• 3-2/3 cups plus 1/4 cup all-purpose flour
• 1 large egg, room temperature
• 4 tablespoons butter, softened
• 1 teaspoon salt
• 2 cups fresh blueberries
• 1/4 cup sugar
• 1 tablespoon water
• 1/2 teaspoon ground cinnamon
• 1-1/2 tablespoons cornstarch
• 4 tablespoons butter, softened
• 1/3 cup sugar
• 1/2 tablespoon ground cinnamon
• 8 ounces cream cheese, softened
• 2 tablespoons butter, softened
• 1/4 cup blueberry jam
• 1 cup confectioners' sugar