Makes 18 large cookies
5 ounces (½ cup + 2 tablespoons) unsalted butter (room temperature)
1½ cups dark brown sugar (packed)
3 large eggs
⅓ cup unsulfured molasses
¼ cup milk
1 teaspoon orange zest (packed)
½ teaspoon vanilla extract
5 cups all-purpose flour
1 teaspoon baking soda
½ teaspoon baking powder
¼ teaspoon kosher salt
2 teaspoons cinnamon
Sprinkle of muscovado sugar