Ingreadient

• 3/4 cup whole milk, warmed to 110 degrees f
• one 1/4-ounce envelope active dry yeast (about 2 1/4 teaspoons)
• 3 tablespoons granulated sugar
• 3 large eggs, at room temperature
• 2 1/2 teaspoons kosher salt
• 2 1/4 cups bread flour, plus more for dusting (see cook's notes)
• 1/3 cup plus 1 tablespoon whole-wheat flour
• 3 tablespoons nonfat dry milk powder
• 2 3/4 sticks unsalted butter, cut into tablespoon pieces, at room temperature, plus more for greasing
• 1 1/2 cups packed dark brown sugar
• 2 tablespoons ground cinnamon
• 1 cup confectioners' sugar
• 3 tablespoons heavy cream, plus more if needed
• 1 teaspoon pure vanilla extract